diff --git a/bower.json b/bower.json
index 8c9c2c7..7b0feb4 100644
--- a/bower.json
+++ b/bower.json
@@ -26,6 +26,6 @@
     "Gruntfile.*"
   ],
   "dependencies": {
-    "d3": "^4.12.0"
+    "d3": "^5.0.0"
   }
 }
diff --git a/c3.js b/c3.js
index 28e9f3d..82df2f6 100644
--- a/c3.js
+++ b/c3.js
@@ -135,10 +135,6 @@
       return call && (typeof call === "object" || typeof call === "function") ? call : self;
     };
 
-    var toArray = function (arr) {
-      return Array.isArray(arr) ? arr : Array.from(arr);
-    };
-
     var isValue = function isValue(v) {
         return v || v === 0;
     };
@@ -5384,35 +5380,30 @@
 
     c3_chart_internal_fn.convertUrlToData = function (url, mimeType, headers, keys, done) {
         var $$ = this,
-            type = mimeType ? mimeType : 'csv';
-        var req = $$.d3.request(url);
-        if (headers) {
-            Object.keys(headers).forEach(function (header) {
-                req.header(header, headers[header]);
-            });
+            type = mimeType ? mimeType : 'csv',
+            f,
+            converter;
+
+        if (type === 'json') {
+            f = $$.d3.json;
+            converter = $$.convertJsonToData;
+        } else if (type === 'tsv') {
+            f = $$.d3.tsv;
+            converter = $$.convertXsvToData;
+        } else {
+            f = $$.d3.csv;
+            converter = $$.convertXsvToData;
         }
-        req.get(function (error, data) {
-            var d;
-            var dataResponse = data.response || data.responseText; // Fixes IE9 XHR issue; see #1345
-            if (!data) {
-                throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')');
-            }
-            if (type === 'json') {
-                d = $$.convertJsonToData(JSON.parse(dataResponse), keys);
-            } else if (type === 'tsv') {
-                d = $$.convertTsvToData(dataResponse);
-            } else {
-                d = $$.convertCsvToData(dataResponse);
-            }
-            done.call($$, d);
+
+        f(url, headers).then(function (data) {
+            done.call($$, converter.call($$, data, keys));
+        }).catch(function (error) {
+            throw error;
         });
     };
-    c3_chart_internal_fn.convertXsvToData = function (xsv, parser) {
-        var _parser$parseRows = parser.parseRows(xsv),
-            _parser$parseRows2 = toArray(_parser$parseRows),
-            keys = _parser$parseRows2[0],
-            rows = _parser$parseRows2.slice(1);
-
+    c3_chart_internal_fn.convertXsvToData = function (xsv) {
+        var keys = xsv.columns,
+            rows = xsv;
         if (rows.length === 0) {
             return { keys: keys, rows: [keys.reduce(function (row, key) {
                     return Object.assign(row, defineProperty({}, key, null));
@@ -5420,15 +5411,9 @@
         } else {
             // [].concat() is to convert result into a plain array otherwise
             // test is not happy because rows have properties.
-            return { keys: keys, rows: [].concat(parser.parse(xsv)) };
+            return { keys: keys, rows: [].concat(xsv) };
         }
     };
-    c3_chart_internal_fn.convertCsvToData = function (csv) {
-        return this.convertXsvToData(csv, { parse: this.d3.csvParse, parseRows: this.d3.csvParseRows });
-    };
-    c3_chart_internal_fn.convertTsvToData = function (tsv) {
-        return this.convertXsvToData(tsv, { parse: this.d3.tsvParse, parseRows: this.d3.tsvParseRows });
-    };
     c3_chart_internal_fn.convertJsonToData = function (json, keys) {
         var $$ = this,
             new_rows = [],
diff --git a/component.json b/component.json
index 5f2efc3..cd7fada 100644
--- a/component.json
+++ b/component.json
@@ -5,7 +5,7 @@
   "version": "0.5.4",
   "keywords": [],
   "dependencies": {
-    "mbostock/d3": "v3.5.6"
+    "mbostock/d3": "v5.0.0"
   },
   "development": {},
   "license": "MIT",
diff --git a/extensions/js/c3ext.js b/extensions/js/c3ext.js
index 8ff301f..d8fa31d 100644
--- a/extensions/js/c3ext.js
+++ b/extensions/js/c3ext.js
@@ -19,7 +19,7 @@ c3ext.generate = function (options) {
     var _zoom2_maxItems;
 
     if (_zoom2_maxItems == null) {
-        var el = d3.select(options.bindto)[0][0];
+        var el = d3.select(options.bindto).node();
         if (el != null) {
             var availWidth = el.clientWidth;
 
@@ -377,4 +377,4 @@ if (typeof(Array.prototype.splitIntoChunksOf)=="undefined") {
         }
         return list;
     }
-}
\ No newline at end of file
+}
diff --git a/htdocs/samples/api_axis_label.html b/htdocs/samples/api_axis_label.html
index b9c2deb..db45860 100644
--- a/htdocs/samples/api_axis_label.html
+++ b/htdocs/samples/api_axis_label.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/api_axis_range.html b/htdocs/samples/api_axis_range.html
index 5b4a9bc..0d931c4 100644
--- a/htdocs/samples/api_axis_range.html
+++ b/htdocs/samples/api_axis_range.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/api_category.html b/htdocs/samples/api_category.html
index b2bb9d7..71d4584 100644
--- a/htdocs/samples/api_category.html
+++ b/htdocs/samples/api_category.html
@@ -6,7 +6,7 @@
     <div id="chart"></div>
     <div id="message"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/api_data_colors.html b/htdocs/samples/api_data_colors.html
index d273112..3761446 100644
--- a/htdocs/samples/api_data_colors.html
+++ b/htdocs/samples/api_data_colors.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/api_flow.html b/htdocs/samples/api_flow.html
index 2c8778c..a39386c 100644
--- a/htdocs/samples/api_flow.html
+++ b/htdocs/samples/api_flow.html
@@ -11,7 +11,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
@@ -65,7 +65,7 @@
             ['data1', 'data2', 'data3'],
             [500, 100, 200],
             [200, null, null],
-            [100, 50, null] 
+            [100, 50, null]
           ],
           duration: 1500,
 
diff --git a/htdocs/samples/api_flow_timeseries.html b/htdocs/samples/api_flow_timeseries.html
index e1b0feb..3b4c9a9 100644
--- a/htdocs/samples/api_flow_timeseries.html
+++ b/htdocs/samples/api_flow_timeseries.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/api_legend.html b/htdocs/samples/api_legend.html
index 588a92c..005faf2 100644
--- a/htdocs/samples/api_legend.html
+++ b/htdocs/samples/api_legend.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/api_tooltip_show.html b/htdocs/samples/api_tooltip_show.html
index 5f81d12..afed345 100644
--- a/htdocs/samples/api_tooltip_show.html
+++ b/htdocs/samples/api_tooltip_show.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/api_transform.html b/htdocs/samples/api_transform.html
index fd763e2..b9d7175 100644
--- a/htdocs/samples/api_transform.html
+++ b/htdocs/samples/api_transform.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/api_xgrid_lines.html b/htdocs/samples/api_xgrid_lines.html
index b80a591..37fc508 100644
--- a/htdocs/samples/api_xgrid_lines.html
+++ b/htdocs/samples/api_xgrid_lines.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/api_ygrid_lines.html b/htdocs/samples/api_ygrid_lines.html
index e58021f..69219ea 100644
--- a/htdocs/samples/api_ygrid_lines.html
+++ b/htdocs/samples/api_ygrid_lines.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/api_zoom.html b/htdocs/samples/api_zoom.html
index d0a349b..0c659dc 100644
--- a/htdocs/samples/api_zoom.html
+++ b/htdocs/samples/api_zoom.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/area_zerobased.html b/htdocs/samples/area_zerobased.html
index 9aeceec..781ca0c 100644
--- a/htdocs/samples/area_zerobased.html
+++ b/htdocs/samples/area_zerobased.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/axes_padding.html b/htdocs/samples/axes_padding.html
index b3e4fe7..a750b69 100644
--- a/htdocs/samples/axes_padding.html
+++ b/htdocs/samples/axes_padding.html
@@ -6,7 +6,7 @@
     <div id="chart1"></div>
     <div id="chart2"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/axes_range.html b/htdocs/samples/axes_range.html
index 5c5edd1..9342064 100644
--- a/htdocs/samples/axes_range.html
+++ b/htdocs/samples/axes_range.html
@@ -6,7 +6,7 @@
     <div id="chart1"></div>
     <div id="chart2"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/axes_x_localtime.html b/htdocs/samples/axes_x_localtime.html
index d71169b..c952d58 100644
--- a/htdocs/samples/axes_x_localtime.html
+++ b/htdocs/samples/axes_x_localtime.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
@@ -40,7 +40,7 @@
 
       var data4 = {
           x : 'date',
-          x_format : '%Y%m%d',
+          xFormat : '%Y%m%d',
           columns: [
             ['date', '20130101', '20130102', '20130103', '20130104', '20130105'],
             ['sample', 1030, 1200, 1100, 1400, 1150],
@@ -50,7 +50,7 @@
 
       var data5 = {
           x : 'date',
-          x_format : '%Y%m%d %H:%M:%S',
+          xFormat : '%Y%m%d %H:%M:%S',
           columns: [
             ['date', '20130101 00:00:00', '20130102 00:00:00', '20130103 00:00:00', '20130104 00:00:00', '20130105 00:00:00'],
             ['sample', 30, 200, 100, 400, 150],
diff --git a/htdocs/samples/axes_x_range_timeseries.html b/htdocs/samples/axes_x_range_timeseries.html
index 4486444..77c8e39 100644
--- a/htdocs/samples/axes_x_range_timeseries.html
+++ b/htdocs/samples/axes_x_range_timeseries.html
@@ -6,7 +6,7 @@
     <div id="chart1"></div>
     <div id="chart2"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/axes_x_selection.html b/htdocs/samples/axes_x_selection.html
index a71d36e..65ec840 100644
--- a/htdocs/samples/axes_x_selection.html
+++ b/htdocs/samples/axes_x_selection.html
@@ -7,7 +7,7 @@
     <div id="chart2"></div>
     <div id="chart3"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/axes_x_tick_culling.html b/htdocs/samples/axes_x_tick_culling.html
index d21bc92..42404c0 100644
--- a/htdocs/samples/axes_x_tick_culling.html
+++ b/htdocs/samples/axes_x_tick_culling.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/axes_x_tick_fit.html b/htdocs/samples/axes_x_tick_fit.html
index 3854560..5a963b3 100644
--- a/htdocs/samples/axes_x_tick_fit.html
+++ b/htdocs/samples/axes_x_tick_fit.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/axes_x_tick_rotate.html b/htdocs/samples/axes_x_tick_rotate.html
index 2802232..f53e859 100644
--- a/htdocs/samples/axes_x_tick_rotate.html
+++ b/htdocs/samples/axes_x_tick_rotate.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/axes_x_tick_values.html b/htdocs/samples/axes_x_tick_values.html
index 2afaf76..b6d3de8 100644
--- a/htdocs/samples/axes_x_tick_values.html
+++ b/htdocs/samples/axes_x_tick_values.html
@@ -6,7 +6,7 @@
     <div id="chart1"></div>
     <div id="chart2"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
@@ -48,7 +48,7 @@
           }
         }
       });
-      
+
 
     </script>
   </body>
diff --git a/htdocs/samples/axes_y2.html b/htdocs/samples/axes_y2.html
index 52452e4..4c47d41 100644
--- a/htdocs/samples/axes_y2.html
+++ b/htdocs/samples/axes_y2.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/axes_y_default.html b/htdocs/samples/axes_y_default.html
index 205443e..bdfbf8c 100644
--- a/htdocs/samples/axes_y_default.html
+++ b/htdocs/samples/axes_y_default.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/bar_zerobased.html b/htdocs/samples/bar_zerobased.html
index f4a32d1..25f9b3a 100644
--- a/htdocs/samples/bar_zerobased.html
+++ b/htdocs/samples/bar_zerobased.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/bindto.html b/htdocs/samples/bindto.html
index 4a9fffc..776746f 100644
--- a/htdocs/samples/bindto.html
+++ b/htdocs/samples/bindto.html
@@ -7,7 +7,7 @@
     <div class="chart2" style="height:150px;"></div>
     <div class="chart3" style="height:150px;"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart1 = c3.generate({
diff --git a/htdocs/samples/categorized.html b/htdocs/samples/categorized.html
index d94aebe..77b7ace 100644
--- a/htdocs/samples/categorized.html
+++ b/htdocs/samples/categorized.html
@@ -6,7 +6,7 @@
     <div id="chart1"></div>
     <div id="chart2"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/chart_area.html b/htdocs/samples/chart_area.html
index fea0460..216153c 100644
--- a/htdocs/samples/chart_area.html
+++ b/htdocs/samples/chart_area.html
@@ -14,7 +14,7 @@
     <h3>+/- vaulues</h3>
     <div id="chart5"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/chart_area_spline.html b/htdocs/samples/chart_area_spline.html
index 07523db..a227b4e 100644
--- a/htdocs/samples/chart_area_spline.html
+++ b/htdocs/samples/chart_area_spline.html
@@ -7,7 +7,7 @@
     <div id="chart2"></div>
     <div id="chart3"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/chart_area_spline_stacked.html b/htdocs/samples/chart_area_spline_stacked.html
index 65c0855..287ebe9 100644
--- a/htdocs/samples/chart_area_spline_stacked.html
+++ b/htdocs/samples/chart_area_spline_stacked.html
@@ -7,7 +7,7 @@
     <div id="chart2"></div>
     <div id="chart3"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/chart_area_stacked.html b/htdocs/samples/chart_area_stacked.html
index 7f5be64..bc20c86 100644
--- a/htdocs/samples/chart_area_stacked.html
+++ b/htdocs/samples/chart_area_stacked.html
@@ -7,7 +7,7 @@
     <div id="chart2"></div>
     <div id="chart3"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/chart_area_step.html b/htdocs/samples/chart_area_step.html
index 42f166e..60f245e 100644
--- a/htdocs/samples/chart_area_step.html
+++ b/htdocs/samples/chart_area_step.html
@@ -7,7 +7,7 @@
     <div id="chart2"></div>
     <div id="chart3"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/chart_area_step_stacked.html b/htdocs/samples/chart_area_step_stacked.html
index b9409c3..a497dc1 100644
--- a/htdocs/samples/chart_area_step_stacked.html
+++ b/htdocs/samples/chart_area_step_stacked.html
@@ -7,7 +7,7 @@
     <div id="chart2"></div>
     <div id="chart3"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/chart_bar.html b/htdocs/samples/chart_bar.html
index 43b694d..101ffdf 100644
--- a/htdocs/samples/chart_bar.html
+++ b/htdocs/samples/chart_bar.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/chart_bar_max_width.html b/htdocs/samples/chart_bar_max_width.html
index fb67d9d..8643d20 100644
--- a/htdocs/samples/chart_bar_max_width.html
+++ b/htdocs/samples/chart_bar_max_width.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/chart_bar_space.html b/htdocs/samples/chart_bar_space.html
index 012bf2b..6a93290 100644
--- a/htdocs/samples/chart_bar_space.html
+++ b/htdocs/samples/chart_bar_space.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/chart_bar_stacked.html b/htdocs/samples/chart_bar_stacked.html
index aa0ad42..35dc0f5 100644
--- a/htdocs/samples/chart_bar_stacked.html
+++ b/htdocs/samples/chart_bar_stacked.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/chart_combination.html b/htdocs/samples/chart_combination.html
index 5ddfbc1..3ebd8bb 100644
--- a/htdocs/samples/chart_combination.html
+++ b/htdocs/samples/chart_combination.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/chart_donut.html b/htdocs/samples/chart_donut.html
index 3934131..a1d21ec 100644
--- a/htdocs/samples/chart_donut.html
+++ b/htdocs/samples/chart_donut.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/chart_gauge.html b/htdocs/samples/chart_gauge.html
index b1c59bb..36c67c3 100644
--- a/htdocs/samples/chart_gauge.html
+++ b/htdocs/samples/chart_gauge.html
@@ -8,7 +8,7 @@
     <div id="chart2"></div>
     <div id="chart3"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/chart_multi_arc_gauge.html b/htdocs/samples/chart_multi_arc_gauge.html
index 5e6a4fc..554765e 100644
--- a/htdocs/samples/chart_multi_arc_gauge.html
+++ b/htdocs/samples/chart_multi_arc_gauge.html
@@ -4,7 +4,7 @@
   </head>
   <body>
     <div id="chart"></div>
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/chart_pie.html b/htdocs/samples/chart_pie.html
index 00cb3fb..cc8a2a0 100644
--- a/htdocs/samples/chart_pie.html
+++ b/htdocs/samples/chart_pie.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/chart_pie_sort.html b/htdocs/samples/chart_pie_sort.html
index cff8296..1c90c7f 100644
--- a/htdocs/samples/chart_pie_sort.html
+++ b/htdocs/samples/chart_pie_sort.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/chart_scatter.html b/htdocs/samples/chart_scatter.html
index 0931308..81a4b4e 100644
--- a/htdocs/samples/chart_scatter.html
+++ b/htdocs/samples/chart_scatter.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/chart_spline.html b/htdocs/samples/chart_spline.html
index 15578d1..ab9827b 100644
--- a/htdocs/samples/chart_spline.html
+++ b/htdocs/samples/chart_spline.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/chart_step.html b/htdocs/samples/chart_step.html
index 6f65e3e..9ff229e 100644
--- a/htdocs/samples/chart_step.html
+++ b/htdocs/samples/chart_step.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/chart_step_category.html b/htdocs/samples/chart_step_category.html
index 61c117d..fa2979c 100644
--- a/htdocs/samples/chart_step_category.html
+++ b/htdocs/samples/chart_step_category.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/custom_x_categorized.html b/htdocs/samples/custom_x_categorized.html
index afa6edd..c16ab44 100644
--- a/htdocs/samples/custom_x_categorized.html
+++ b/htdocs/samples/custom_x_categorized.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/custom_x_scale.html b/htdocs/samples/custom_x_scale.html
index 4c41e66..8b6c685 100644
--- a/htdocs/samples/custom_x_scale.html
+++ b/htdocs/samples/custom_x_scale.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/custom_xs_scale.html b/htdocs/samples/custom_xs_scale.html
index b10c088..2036c25 100644
--- a/htdocs/samples/custom_xs_scale.html
+++ b/htdocs/samples/custom_xs_scale.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/data_columned.html b/htdocs/samples/data_columned.html
index 04ce4a5..d8de8af 100644
--- a/htdocs/samples/data_columned.html
+++ b/htdocs/samples/data_columned.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/data_hide.html b/htdocs/samples/data_hide.html
index cb8a5b5..c33d6b2 100644
--- a/htdocs/samples/data_hide.html
+++ b/htdocs/samples/data_hide.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/data_json.html b/htdocs/samples/data_json.html
index e62a38d..5bf5e2e 100644
--- a/htdocs/samples/data_json.html
+++ b/htdocs/samples/data_json.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/data_label.html b/htdocs/samples/data_label.html
index 13afcab..5ac72ea 100644
--- a/htdocs/samples/data_label.html
+++ b/htdocs/samples/data_label.html
@@ -15,7 +15,7 @@
     <div id="chart10"></div>
     <div id="chart11"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/data_label_format.html b/htdocs/samples/data_label_format.html
index 592b14c..f38c2dd 100644
--- a/htdocs/samples/data_label_format.html
+++ b/htdocs/samples/data_label_format.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/data_load.html b/htdocs/samples/data_load.html
index bc787a1..00823b3 100644
--- a/htdocs/samples/data_load.html
+++ b/htdocs/samples/data_load.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/data_load_timeseries.html b/htdocs/samples/data_load_timeseries.html
index 4f99daa..b556176 100644
--- a/htdocs/samples/data_load_timeseries.html
+++ b/htdocs/samples/data_load_timeseries.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/data_region.html b/htdocs/samples/data_region.html
index b346104..9372c76 100644
--- a/htdocs/samples/data_region.html
+++ b/htdocs/samples/data_region.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/data_region_timeseries.html b/htdocs/samples/data_region_timeseries.html
index ee7b397..6be6fe8 100644
--- a/htdocs/samples/data_region_timeseries.html
+++ b/htdocs/samples/data_region_timeseries.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/data_rowed.html b/htdocs/samples/data_rowed.html
index 2fe02f9..e58d884 100644
--- a/htdocs/samples/data_rowed.html
+++ b/htdocs/samples/data_rowed.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/data_url.html b/htdocs/samples/data_url.html
index 65557e4..20aaeeb 100644
--- a/htdocs/samples/data_url.html
+++ b/htdocs/samples/data_url.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/different_category_datasets.html b/htdocs/samples/different_category_datasets.html
index 4df8292..4c8c276 100644
--- a/htdocs/samples/different_category_datasets.html
+++ b/htdocs/samples/different_category_datasets.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/domain_y.html b/htdocs/samples/domain_y.html
index 2df2e47..532fe28 100644
--- a/htdocs/samples/domain_y.html
+++ b/htdocs/samples/domain_y.html
@@ -10,7 +10,7 @@
     <div id="chart2"></div>
     <div id="chart3"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/element.html b/htdocs/samples/element.html
index faf18db..9a475ce 100644
--- a/htdocs/samples/element.html
+++ b/htdocs/samples/element.html
@@ -7,7 +7,7 @@
     <div id="chart2"></div>
 
     <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/emptydata.html b/htdocs/samples/emptydata.html
index 7042894..a7a3dcb 100644
--- a/htdocs/samples/emptydata.html
+++ b/htdocs/samples/emptydata.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/grid_focus.html b/htdocs/samples/grid_focus.html
index 3842842..8331a87 100644
--- a/htdocs/samples/grid_focus.html
+++ b/htdocs/samples/grid_focus.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart1"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/grid_x_lines.html b/htdocs/samples/grid_x_lines.html
index 3a0457c..f95f1e6 100644
--- a/htdocs/samples/grid_x_lines.html
+++ b/htdocs/samples/grid_x_lines.html
@@ -6,7 +6,7 @@
     <div id="chart1"></div>
     <div id="chart2"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/grid_x_lines_timeseries.html b/htdocs/samples/grid_x_lines_timeseries.html
index 3fccc1a..b639eb9 100644
--- a/htdocs/samples/grid_x_lines_timeseries.html
+++ b/htdocs/samples/grid_x_lines_timeseries.html
@@ -6,7 +6,7 @@
     <div id="chart1"></div>
     <div id="chart2"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/grids.html b/htdocs/samples/grids.html
index bab74c2..aa50169 100644
--- a/htdocs/samples/grids.html
+++ b/htdocs/samples/grids.html
@@ -10,7 +10,7 @@
     <div id="chart5"></div>
     <div id="chart6"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/grids_timeseries.html b/htdocs/samples/grids_timeseries.html
index 49a9e40..dc1706f 100644
--- a/htdocs/samples/grids_timeseries.html
+++ b/htdocs/samples/grids_timeseries.html
@@ -7,7 +7,7 @@
     <div id="chart2"></div>
     <div id="chart3"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/interaction_enabled.html b/htdocs/samples/interaction_enabled.html
index 9d96352..1a5d521 100644
--- a/htdocs/samples/interaction_enabled.html
+++ b/htdocs/samples/interaction_enabled.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/legend.html b/htdocs/samples/legend.html
index d089c1d..5b401f7 100644
--- a/htdocs/samples/legend.html
+++ b/htdocs/samples/legend.html
@@ -10,7 +10,7 @@
     <div id="chart5"></div>
     <div id="chart6"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/padding.html b/htdocs/samples/padding.html
index 9595cb2..198138b 100644
--- a/htdocs/samples/padding.html
+++ b/htdocs/samples/padding.html
@@ -21,7 +21,7 @@
     <div id="chart9"></div>
     <div id="chart10"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
@@ -45,7 +45,7 @@
           rotated: true,
           y: {
             label: {
-              text: 'Y Label', 
+              text: 'Y Label',
               position: 'outer-center'
             }
           },
diff --git a/htdocs/samples/padding_update.html b/htdocs/samples/padding_update.html
index 74c1d0f..0292f3a 100644
--- a/htdocs/samples/padding_update.html
+++ b/htdocs/samples/padding_update.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/plugin.html b/htdocs/samples/plugin.html
index a2c7c55..5534add 100644
--- a/htdocs/samples/plugin.html
+++ b/htdocs/samples/plugin.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script src="/js/samples/plugin.js"></script>
     <script>
diff --git a/htdocs/samples/point_r.html b/htdocs/samples/point_r.html
index fb7156a..b06853c 100644
--- a/htdocs/samples/point_r.html
+++ b/htdocs/samples/point_r.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/point_show.html b/htdocs/samples/point_show.html
index 11d0fcb..d426cb7 100644
--- a/htdocs/samples/point_show.html
+++ b/htdocs/samples/point_show.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/regions.html b/htdocs/samples/regions.html
index a8daede..691de72 100644
--- a/htdocs/samples/regions.html
+++ b/htdocs/samples/regions.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/regions_timeseries.html b/htdocs/samples/regions_timeseries.html
index 298aea2..39549cf 100644
--- a/htdocs/samples/regions_timeseries.html
+++ b/htdocs/samples/regions_timeseries.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/selection.html b/htdocs/samples/selection.html
index 9ae768c..2535aaf 100644
--- a/htdocs/samples/selection.html
+++ b/htdocs/samples/selection.html
@@ -27,7 +27,7 @@
     grouped => false, multiple => false, tooltip.grouped = false
     <div id="chart4-1"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/simple.html b/htdocs/samples/simple.html
index 862cc6e..f6ac441 100644
--- a/htdocs/samples/simple.html
+++ b/htdocs/samples/simple.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/subchart.html b/htdocs/samples/subchart.html
index 9d9e787..a611914 100644
--- a/htdocs/samples/subchart.html
+++ b/htdocs/samples/subchart.html
@@ -7,7 +7,7 @@
     <div id="chart2"></div>
     <div id="chart3"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/subchart_onbrush.html b/htdocs/samples/subchart_onbrush.html
index ad77258..d5c07d8 100644
--- a/htdocs/samples/subchart_onbrush.html
+++ b/htdocs/samples/subchart_onbrush.html
@@ -6,7 +6,7 @@
     <div id="chart1"></div>
     <div id="chart2"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/timeseries.html b/htdocs/samples/timeseries.html
index b01f9bd..9f74698 100644
--- a/htdocs/samples/timeseries.html
+++ b/htdocs/samples/timeseries.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/timeseries_date.html b/htdocs/samples/timeseries_date.html
index 5ce6ee3..8875a58 100644
--- a/htdocs/samples/timeseries_date.html
+++ b/htdocs/samples/timeseries_date.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/timeseries_descendent.html b/htdocs/samples/timeseries_descendent.html
index 96135c9..ed5a6d8 100644
--- a/htdocs/samples/timeseries_descendent.html
+++ b/htdocs/samples/timeseries_descendent.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/timeseries_raw.html b/htdocs/samples/timeseries_raw.html
index 58b73a1..fd4a828 100644
--- a/htdocs/samples/timeseries_raw.html
+++ b/htdocs/samples/timeseries_raw.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/tooltip_grouped.html b/htdocs/samples/tooltip_grouped.html
index d5a52e3..4a3798b 100644
--- a/htdocs/samples/tooltip_grouped.html
+++ b/htdocs/samples/tooltip_grouped.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/tooltip_show.html b/htdocs/samples/tooltip_show.html
index 1dfd266..f7714ed 100644
--- a/htdocs/samples/tooltip_show.html
+++ b/htdocs/samples/tooltip_show.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
diff --git a/htdocs/samples/zoom.html b/htdocs/samples/zoom.html
index 778cd08..c2deb6e 100644
--- a/htdocs/samples/zoom.html
+++ b/htdocs/samples/zoom.html
@@ -7,7 +7,7 @@
     <button onclick="load()">Load</button>
     <div id="chart2"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/zoom_category.html b/htdocs/samples/zoom_category.html
index 75af61d..4150a6a 100644
--- a/htdocs/samples/zoom_category.html
+++ b/htdocs/samples/zoom_category.html
@@ -6,7 +6,7 @@
     <div id="chart"></div>
     <button onclick="load()">Load</button>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/zoom_onzoom.html b/htdocs/samples/zoom_onzoom.html
index b059ec5..06ded95 100644
--- a/htdocs/samples/zoom_onzoom.html
+++ b/htdocs/samples/zoom_onzoom.html
@@ -6,7 +6,7 @@
     <div id="chart1"></div>
     <div id="chart2"></div>
 
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/zoom_reduction.html b/htdocs/samples/zoom_reduction.html
index 46a8084..a0c359e 100644
--- a/htdocs/samples/zoom_reduction.html
+++ b/htdocs/samples/zoom_reduction.html
@@ -7,7 +7,7 @@
     <link href="/css/c3.css" rel="stylesheet" />
     <script src="http://code.jquery.com/jquery-2.0.3.min.js"></script>
     <script src="https://rawgithub.com/brandonaaron/jquery-mousewheel/master/jquery.mousewheel.min.js"></script>
-    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script src="/js/extensions/c3ext.js"></script>
     <script src="/js/samples/zoom_reduction.js"></script>
diff --git a/package-lock.json b/package-lock.json
index 6b0ec06..34b2efd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,41 +1,21 @@
 {
   "name": "c3",
-  "version": "0.5.2",
+  "version": "0.5.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "@browserify/acorn5-object-spread": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/@browserify/acorn5-object-spread/-/acorn5-object-spread-5.0.1.tgz",
-      "integrity": "sha512-sFCUPzgeEjdq3rinwy4TFXtak2YZdhqpj6MdNusxkdTFr9TXAUEYK4YQSamR8Joqt/yii1drgl5hk8q/AtJDKA==",
-      "dev": true,
-      "requires": {
-        "acorn": "5.4.1"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "5.4.1",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.4.1.tgz",
-          "integrity": "sha512-XLmq3H/BVvW6/GbxKryGxWORz1ebilSsUDlyC27bXhWGWAZWkGwS6FLHjOlwFXNFoWFQEO/Df4u0YYd0K3BQgQ==",
-          "dev": true
-        }
-      }
-    },
-    "@types/acorn": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@types/acorn/-/acorn-4.0.3.tgz",
-      "integrity": "sha512-gou/kWQkGPMZjdCKNZGDpqxLm9+ErG/pFZKPX4tvCjr0Xf4FCYYX3nAsu7aDVKJV3KUe27+mvqqyWT/9VZoM/A==",
-      "dev": true,
-      "requires": {
-        "@types/estree": "0.0.38"
-      }
-    },
     "@types/estree": {
       "version": "0.0.38",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.38.tgz",
       "integrity": "sha512-F/v7t1LwS4vnXuPooJQGBRKRGIoxWUTmA4VHfqjOccFsNDThD5bfUNpITive6s352O7o384wcpEaDV8rHCehDA==",
       "dev": true
     },
+    "@types/node": {
+      "version": "9.6.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-9.6.6.tgz",
+      "integrity": "sha512-SJe0g5cZeGNDP5sD8mIX3scb+eq8LQQZ60FXiKZHipYSeEFZ5EKml+NNMiO76F74TY4PoMWlNxF/YRY40FOvZQ==",
+      "dev": true
+    },
     "JSONStream": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.2.tgz",
@@ -68,23 +48,6 @@
       "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=",
       "dev": true
     },
-    "acorn-dynamic-import": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/acorn-dynamic-import/-/acorn-dynamic-import-3.0.0.tgz",
-      "integrity": "sha512-zVWV8Z8lislJoOKKqdNMOB+s6+XV5WERty8MnKBeFgwA+19XJjJHs2RP5dzM57FftIs+jQnRToLiWazKr6sSWg==",
-      "dev": true,
-      "requires": {
-        "acorn": "5.5.3"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "5.5.3",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.5.3.tgz",
-          "integrity": "sha512-jd5MkIUlbbmb07nXH0DT3y7rDVtkzDi4XZOUVWAer8ajmF/DTSSbl5oNFyDOl/OXA33Bl79+ypHhl2pN20VeOQ==",
-          "dev": true
-        }
-      }
-    },
     "acorn-node": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.3.0.tgz",
@@ -305,9 +268,9 @@
       }
     },
     "argparse": {
-      "version": "1.0.9",
-      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
-      "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
       "dev": true,
       "requires": {
         "sprintf-js": "1.0.3"
@@ -491,9 +454,9 @@
       "dev": true
     },
     "atob": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/atob/-/atob-2.0.3.tgz",
-      "integrity": "sha1-GcenYEc3dEaPILLS0DNyrX1Mv10=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.0.tgz",
+      "integrity": "sha512-SuiKH8vbsOyCALjA/+EINmt/Kdl+TQPrtFgW7XZZcwtryFu9e5kQoX3bjCW6mIvGH1fbeAZZuvwGR5IlBRznGw==",
       "dev": true
     },
     "aws-sign2": {
@@ -702,16 +665,23 @@
       }
     },
     "babel-plugin-istanbul": {
-      "version": "4.1.5",
-      "resolved": "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz",
-      "integrity": "sha1-Z2DN2Xf0EdPhdbsGTyvDJ9mbK24=",
+      "version": "4.1.6",
+      "resolved": "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz",
+      "integrity": "sha512-PWP9FQ1AhZhS01T/4qLSKoHGY/xvkZdVBGlKM/HuxxS3+sC66HhTNR7+MpbO/so/cz/wY94MeSWJuP1hXIPfwQ==",
       "dev": true,
       "requires": {
+        "babel-plugin-syntax-object-rest-spread": "6.13.0",
         "find-up": "2.1.0",
-        "istanbul-lib-instrument": "1.9.1",
-        "test-exclude": "4.1.1"
+        "istanbul-lib-instrument": "1.10.1",
+        "test-exclude": "4.2.1"
       }
     },
+    "babel-plugin-syntax-object-rest-spread": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz",
+      "integrity": "sha1-/WU28rzhODb/o6VFjEkDpZe7O/U=",
+      "dev": true
+    },
     "babel-plugin-transform-es2015-arrow-functions": {
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz",
@@ -1103,6 +1073,15 @@
         "pascalcase": "0.1.1"
       },
       "dependencies": {
+        "define-property": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
+          "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
+          "dev": true,
+          "requires": {
+            "is-descriptor": "1.0.2"
+          }
+        },
         "isobject": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
@@ -1287,7 +1266,7 @@
       "requires": {
         "ansi-align": "2.0.0",
         "camelcase": "4.1.0",
-        "chalk": "2.3.0",
+        "chalk": "2.3.2",
         "cli-boxes": "1.0.0",
         "string-width": "2.1.1",
         "term-size": "1.2.0",
@@ -1301,9 +1280,9 @@
           "dev": true
         },
         "ansi-styles": {
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+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
           "dev": true,
           "requires": {
             "color-convert": "1.9.1"
           }
         },
         "chalk": {
-          "version": "2.3.0",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.0.tgz",
-          "integrity": "sha512-Az5zJR2CBujap2rqXGaJKaPHyJ0IrUimvYNX+ncCy8PJP4ltOGTrHUIo097ZaL2zMeKYpiCdqDvS6zdrTFok3Q==",
+          "version": "2.3.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.2.tgz",
+          "integrity": "sha512-ZM4j2/ld/YZDc3Ma8PgN7gyAk+kHMMMyzLNryCPGhWrsfAuDVeuid5bpRFTDgMH9JBK2lA4dyyAkkZYF/WcqDQ==",
           "dev": true,
           "requires": {
-            "ansi-styles": "3.2.0",
+            "ansi-styles": "3.2.1",
             "escape-string-regexp": "1.0.5",
-            "supports-color": "4.5.0"
+            "supports-color": "5.3.0"
           }
         },
         "has-flag": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
-          "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
           "dev": true
         },
         "supports-color": {
-          "version": "4.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.5.0.tgz",
-          "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
+          "version": "5.3.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.3.0.tgz",
+          "integrity": "sha512-0aP01LLIskjKs3lq52EC0aGBAJhLq7B2Rd8HC/DR/PtNNpcLilNmHC12O+hu0usQpo7wtHNRqtrhBwtDb0+dNg==",
           "dev": true,
           "requires": {
-            "has-flag": "2.0.0"
+            "has-flag": "3.0.0"
           }
         }
       }
@@ -9762,96 +10010,19 @@
       "dev": true
     },
     "use": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/use/-/use-2.0.2.tgz",
-      "integrity": "sha1-riig1y+TvyJCKhii43mZMRLeyOg=",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/use/-/use-3.1.0.tgz",
+      "integrity": "sha512-6UJEQM/L+mzC3ZJNM56Q4DFGLX/evKGRg15UJHGB9X5j5Z3AFbgZvjUh2yq/UJUY4U5dh7Fal++XbNg1uzpRAw==",
       "dev": true,
       "requires": {
-        "define-property": "0.2.5",
-        "isobject": "3.0.1",
-        "lazy-cache": "2.0.2"
+        "kind-of": "6.0.2"
       },
       "dependencies": {
-        "define-property": {
-          "version": "0.2.5",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
-          "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
-          "dev": true,
-          "requires": {
-            "is-descriptor": "0.1.6"
-          }
-        },
-        "is-accessor-descriptor": {
-          "version": "0.1.6",
-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
-          "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
-          "dev": true,
-          "requires": {
-            "kind-of": "3.2.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
-              "requires": {
-                "is-buffer": "1.1.6"
-              }
-            }
-          }
-        },
-        "is-data-descriptor": {
-          "version": "0.1.4",
-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
-          "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
-          "dev": true,
-          "requires": {
-            "kind-of": "3.2.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
-              "requires": {
-                "is-buffer": "1.1.6"
-              }
-            }
-          }
-        },
-        "is-descriptor": {
-          "version": "0.1.6",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-0.1.6.tgz",
-          "integrity": "sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==",
-          "dev": true,
-          "requires": {
-            "is-accessor-descriptor": "0.1.6",
-            "is-data-descriptor": "0.1.4",
-            "kind-of": "5.1.0"
-          }
-        },
-        "isobject": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
-          "dev": true
-        },
         "kind-of": {
-          "version": "5.1.0",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
-          "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==",
+          "version": "6.0.2",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
           "dev": true
-        },
-        "lazy-cache": {
-          "version": "2.0.2",
-          "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-2.0.2.tgz",
-          "integrity": "sha1-uRkKT5EzVGlIQIWfio9whNiCImQ=",
-          "dev": true,
-          "requires": {
-            "set-getter": "0.1.0"
-          }
         }
       }
     },
@@ -9920,13 +10091,13 @@
       "optional": true
     },
     "validate-npm-package-license": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz",
-      "integrity": "sha1-KAS6vnEq0zeUWaz74kdGqywwP7w=",
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.3.tgz",
+      "integrity": "sha512-63ZOUnL4SIXj4L0NixR3L1lcjO38crAbgrTpl28t8jjrfuiOBL5Iygm+60qPs/KsZGzPNg6Smnc/oY16QTjF0g==",
       "dev": true,
       "requires": {
-        "spdx-correct": "1.0.2",
-        "spdx-expression-parse": "1.0.4"
+        "spdx-correct": "3.0.0",
+        "spdx-expression-parse": "3.0.0"
       }
     },
     "verror": {
@@ -9964,163 +10135,18 @@
       "dev": true
     },
     "watchify": {
-      "version": "3.10.0",
-      "resolved": "https://registry.npmjs.org/watchify/-/watchify-3.10.0.tgz",
-      "integrity": "sha512-SRSumWalHAxciSaEtua1HFqB8L+et5ieHjJRuNssqj4qXz4pJoR6cAeFWni3reXyOY3cVE6b55sJ8WYR43abBQ==",
+      "version": "3.11.0",
+      "resolved": "https://registry.npmjs.org/watchify/-/watchify-3.11.0.tgz",
+      "integrity": "sha512-7jWG0c3cKKm2hKScnSAMUEUjRJKXUShwMPk0ASVhICycQhwND3IMAdhJYmc1mxxKzBUJTSF5HZizfrKrS6BzkA==",
       "dev": true,
       "requires": {
         "anymatch": "1.3.2",
-        "browserify": "15.2.0",
+        "browserify": "16.1.1",
         "chokidar": "1.7.0",
         "defined": "1.0.0",
         "outpipe": "1.1.1",
         "through2": "2.0.3",
         "xtend": "4.0.1"
-      },
-      "dependencies": {
-        "browserify": {
-          "version": "15.2.0",
-          "resolved": "https://registry.npmjs.org/browserify/-/browserify-15.2.0.tgz",
-          "integrity": "sha512-IHYyFPm2XjJCL+VV0ZtFv8wn/sAHVOm83q3yfSn8YWbZ9jcybgPKxSDdiuMU+35jUL1914l74RnXXPD9Iyo9yg==",
-          "dev": true,
-          "requires": {
-            "JSONStream": "1.3.2",
-            "assert": "1.4.1",
-            "browser-pack": "6.0.4",
-            "browser-resolve": "1.11.2",
-            "browserify-zlib": "0.2.0",
-            "buffer": "5.0.8",
-            "cached-path-relative": "1.0.1",
-            "concat-stream": "1.5.2",
-            "console-browserify": "1.1.0",
-            "constants-browserify": "1.0.0",
-            "crypto-browserify": "3.12.0",
-            "defined": "1.0.0",
-            "deps-sort": "2.0.0",
-            "domain-browser": "1.1.7",
-            "duplexer2": "0.1.4",
-            "events": "1.1.1",
-            "glob": "7.1.2",
-            "has": "1.0.1",
-            "htmlescape": "1.1.1",
-            "https-browserify": "1.0.0",
-            "inherits": "2.0.3",
-            "insert-module-globals": "7.0.1",
-            "labeled-stream-splicer": "2.0.0",
-            "mkdirp": "0.5.1",
-            "module-deps": "5.0.1",
-            "os-browserify": "0.3.0",
-            "parents": "1.0.1",
-            "path-browserify": "0.0.0",
-            "process": "0.11.10",
-            "punycode": "1.4.1",
-            "querystring-es3": "0.2.1",
-            "read-only-stream": "2.0.0",
-            "readable-stream": "2.3.4",
-            "resolve": "1.5.0",
-            "shasum": "1.0.2",
-            "shell-quote": "1.6.1",
-            "stream-browserify": "2.0.1",
-            "stream-http": "2.8.0",
-            "string_decoder": "1.0.3",
-            "subarg": "1.0.0",
-            "syntax-error": "1.4.0",
-            "through2": "2.0.3",
-            "timers-browserify": "1.4.2",
-            "tty-browserify": "0.0.1",
-            "url": "0.11.0",
-            "util": "0.10.3",
-            "vm-browserify": "0.0.4",
-            "xtend": "4.0.1"
-          }
-        },
-        "concat-stream": {
-          "version": "1.5.2",
-          "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.5.2.tgz",
-          "integrity": "sha1-cIl4Yk2FavQaWnQd790mHadSwmY=",
-          "dev": true,
-          "requires": {
-            "inherits": "2.0.3",
-            "readable-stream": "2.0.6",
-            "typedarray": "0.0.6"
-          },
-          "dependencies": {
-            "readable-stream": {
-              "version": "2.0.6",
-              "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
-              "integrity": "sha1-j5A0HmilPMySh4jaz80Rs265t44=",
-              "dev": true,
-              "requires": {
-                "core-util-is": "1.0.2",
-                "inherits": "2.0.3",
-                "isarray": "1.0.0",
-                "process-nextick-args": "1.0.7",
-                "string_decoder": "0.10.31",
-                "util-deprecate": "1.0.2"
-              }
-            },
-            "string_decoder": {
-              "version": "0.10.31",
-              "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-              "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-              "dev": true
-            }
-          }
-        },
-        "domain-browser": {
-          "version": "1.1.7",
-          "resolved": "https://registry.npmjs.org/domain-browser/-/domain-browser-1.1.7.tgz",
-          "integrity": "sha1-hnqksJP6oF8d4IwG9NeyH9+GmLw=",
-          "dev": true
-        },
-        "events": {
-          "version": "1.1.1",
-          "resolved": "https://registry.npmjs.org/events/-/events-1.1.1.tgz",
-          "integrity": "sha1-nr23Y1rQmccNzEwqH1AEKI6L2SQ=",
-          "dev": true
-        },
-        "module-deps": {
-          "version": "5.0.1",
-          "resolved": "https://registry.npmjs.org/module-deps/-/module-deps-5.0.1.tgz",
-          "integrity": "sha512-sigq/hm/L+Z5IGi1DDl0x2ptkw7S86aFh213QhPLD8v9Opv90IHzKIuWJrRa5bJ77DVKHco2CfIEuThcT/vDJA==",
-          "dev": true,
-          "requires": {
-            "JSONStream": "1.3.2",
-            "browser-resolve": "1.11.2",
-            "cached-path-relative": "1.0.1",
-            "concat-stream": "1.6.0",
-            "defined": "1.0.0",
-            "detective": "5.0.2",
-            "duplexer2": "0.1.4",
-            "inherits": "2.0.3",
-            "parents": "1.0.1",
-            "readable-stream": "2.3.4",
-            "resolve": "1.5.0",
-            "stream-combiner2": "1.1.1",
-            "subarg": "1.0.0",
-            "through2": "2.0.3",
-            "xtend": "4.0.1"
-          },
-          "dependencies": {
-            "concat-stream": {
-              "version": "1.6.0",
-              "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.0.tgz",
-              "integrity": "sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=",
-              "dev": true,
-              "requires": {
-                "inherits": "2.0.3",
-                "readable-stream": "2.3.4",
-                "typedarray": "0.0.6"
-              }
-            }
-          }
-        },
-        "process-nextick-args": {
-          "version": "1.0.7",
-          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
-          "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M=",
-          "dev": true
-        }
       }
     },
     "when": {
@@ -10254,11 +10280,6 @@
       "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ=",
       "dev": true
     },
-    "xmlhttprequest": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
-      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
-    },
     "xmlhttprequest-ssl": {
       "version": "1.5.5",
       "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
diff --git a/package.json b/package.json
index 90fd6df..aa24cc9 100644
--- a/package.json
+++ b/package.json
@@ -43,16 +43,16 @@
   "gitHead": "84e03109d9a590f9c8ef687c03d751f666080c6f",
   "readmeFilename": "README.md",
   "dependencies": {
-    "d3": "^4.12.0"
+    "d3": "^5.0.0"
   },
   "devDependencies": {
     "babel-core": "^6.26.0",
     "babel-plugin-external-helpers": "^6.22.0",
-    "babel-plugin-istanbul": "^4.1.4",
+    "babel-plugin-istanbul": "^4.1.6",
     "babel-preset-es2015": "^6.24.1",
     "babelify": "^8.0.0",
-    "browserify": "^16.0.0",
-    "clean-css-cli": "^4.1.3",
+    "browserify": "^16.1.1",
+    "clean-css-cli": "^4.1.11",
     "codecov": "^3.0.0",
     "gh-pages": "^1.1.0",
     "jasmine-core": "^2.3.4",
@@ -61,16 +61,16 @@
     "karma": "^2.0.0",
     "karma-browserify": "^5.1.1",
     "karma-chrome-launcher": "^2.1.1",
-    "karma-coverage-istanbul-reporter": "^1.3.0",
+    "karma-coverage-istanbul-reporter": "^1.4.2",
     "karma-jasmine": "^1.1.0",
     "karma-spec-reporter": "0.0.32",
-    "node-sass": "^4.5.3",
+    "node-sass": "^4.8.3",
     "node-static": "^0.7.9",
     "nodemon": "^1.11.0",
     "rollup": "^0.58.0",
     "rollup-plugin-babel": "^3.0.3",
-    "uglify-js": "^3.0.15",
-    "watchify": "^3.9.0"
+    "uglify-js": "^3.3.17",
+    "watchify": "^3.11.0"
   },
   "nyc": {
     "exclude": [
diff --git a/spec/data.convert.js b/spec/data.convert.js
index 9182798..34e7f96 100644
--- a/spec/data.convert.js
+++ b/spec/data.convert.js
@@ -105,19 +105,9 @@ describe('data.convert', () => {
         });
     });
 
-    describe('$$.convertCsvToData', () => {
+    describe('$$.convertXsvToData', () => {
         it('converts the csv data to normalized data', () => {
-            const data = $$.convertCsvToData(`data1,data2,data3
-90,120,300
-40,160,240
-50,200,290
-120,160,230
-80,130,300
-90,220,320`);
-
-            expect(data).toEqual({
-                keys: ['data1', 'data2', 'data3'],
-                rows: [{
+            const data = [{
                     data1: '90',
                     data2: '120',
                     data3: '300'
@@ -141,35 +131,9 @@ describe('data.convert', () => {
                     data1: '90',
                     data2: '220',
                     data3: '320'
-                }]
-            });
-        });
-
-        it('converts one lined CSV data', () => {
-            const data = $$.convertCsvToData(`data1,data2,data3`);
-
-            expect(data).toEqual({
-                keys: ['data1', 'data2', 'data3'],
-                rows: [{
-                    data1: null,
-                    data2: null,
-                    data3: null
-                }]
-            });
-        });
-    });
-
-    describe('$$.convertTsvToData', () => {
-        it('converts the tsv data to normalized data', () => {
-            const data = $$.convertTsvToData(`data1\tdata2\tdata3
-90\t120\t300
-40\t160\t240
-50\t200\t290
-120\t160\t230
-80\t130\t300
-90\t220\t320`);
-
-            expect(data).toEqual({
+                }];
+            data.columns = ['data1', 'data2', 'data3'];
+            expect($$.convertXsvToData(data)).toEqual({
                 keys: ['data1', 'data2', 'data3'],
                 rows: [{
                     data1: '90',
@@ -199,10 +163,10 @@ describe('data.convert', () => {
             });
         });
 
-        it('converts one lined TSV data', () => {
-            const data = $$.convertTsvToData(`data1\tdata2\tdata3`);
-
-            expect(data).toEqual({
+        it('converts one lined CSV data', () => {
+            const data = [];
+            data.columns = ['data1', 'data2', 'data3'];
+            expect($$.convertXsvToData(data)).toEqual({
                 keys: ['data1', 'data2', 'data3'],
                 rows: [{
                     data1: null,
diff --git a/src/data.convert.js b/src/data.convert.js
index 9ef9fc9..ff6d8e1 100644
--- a/src/data.convert.js
+++ b/src/data.convert.js
@@ -2,45 +2,35 @@ import { c3_chart_internal_fn } from './core';
 import { isValue, isUndefined, isDefined, notEmpty, isArray } from './util';
 
 c3_chart_internal_fn.convertUrlToData = function (url, mimeType, headers, keys, done) {
-    var $$ = this, type = mimeType ? mimeType : 'csv';
-    var req = $$.d3.request(url);
-    if (headers) {
-        Object.keys(headers).forEach(function (header) {
-            req.header(header, headers[header]);
-        });
+    var $$ = this, type = mimeType ? mimeType : 'csv', f, converter;
+
+    if (type === 'json') {
+        f = $$.d3.json;
+        converter = $$.convertJsonToData;
+    } else if (type === 'tsv') {
+        f = $$.d3.tsv;
+        converter = $$.convertXsvToData;
+    } else {
+        f = $$.d3.csv;
+        converter = $$.convertXsvToData;
     }
-    req.get(function (error, data) {
-        var d;
-        var dataResponse = data.response || data.responseText; // Fixes IE9 XHR issue; see #1345
-        if (!data) {
-            throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')');
-        }
-        if (type === 'json') {
-            d = $$.convertJsonToData(JSON.parse(dataResponse), keys);
-        } else if (type === 'tsv') {
-            d = $$.convertTsvToData(dataResponse);
-        } else {
-            d = $$.convertCsvToData(dataResponse);
-        }
-        done.call($$, d);
+
+    f(url, headers).then(function (data) {
+        done.call($$, converter.call($$, data, keys));
+    }).catch(function (error) {
+        throw error;
     });
 };
-c3_chart_internal_fn.convertXsvToData = function (xsv, parser) {
-    var [ keys, ...rows ] = parser.parseRows(xsv);
+c3_chart_internal_fn.convertXsvToData = function (xsv) {
+    var keys = xsv.columns, rows = xsv;
     if (rows.length === 0) {
         return { keys, rows: [ keys.reduce((row, key) => Object.assign(row, { [key]: null }), {}) ] };
     } else {
         // [].concat() is to convert result into a plain array otherwise
         // test is not happy because rows have properties.
-        return { keys, rows: [].concat(parser.parse(xsv)) };
+        return { keys, rows: [].concat(xsv) };
     }
 };
-c3_chart_internal_fn.convertCsvToData = function (csv) {
-    return this.convertXsvToData(csv, { parse: this.d3.csvParse, parseRows: this.d3.csvParseRows });
-};
-c3_chart_internal_fn.convertTsvToData = function (tsv) {
-    return this.convertXsvToData(tsv, { parse: this.d3.tsvParse, parseRows: this.d3.tsvParseRows });
-};
 c3_chart_internal_fn.convertJsonToData = function (json, keys) {
     var $$ = this,
         new_rows = [], targetKeys, data;