diff --git a/.gitignore b/.gitignore
index 501448a..6650258 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,6 @@
 node_modules
 bower_components
 d3.js
-d3.min.js
\ No newline at end of file
+d3.min.js
+components
+build
diff --git a/component.json b/component.json
index abf09d2..4e8864c 100644
--- a/component.json
+++ b/component.json
@@ -4,7 +4,9 @@
   "description": "A D3-based reusable chart library",
   "version": "0.0.1",
   "keywords": [],
-  "dependencies": {},
+  "dependencies": {
+    "mbostock/d3": "master"
+  },
   "development": {},
   "license": "MIT",
   "main": "c3.js",