diff --git a/bower.json b/bower.json
index 464270c..a2c3b7f 100644
--- a/bower.json
+++ b/bower.json
@@ -13,8 +13,8 @@
   "dependencies": {
     "get-size": "desandro/get-size#>=1 <2",
     "matches-selector": "desandro/matches-selector#>=1 <2",
-    "outlayer": ">=1.1.10 <2",
-    "masonry": ">=3.1 <4"
+    "outlayer": "v1.2",
+    "masonry": "3.1.x"
   },
   "devDependencies": {
     "doc-ready": "desandro/doc-ready",
diff --git a/js/isotope.js b/js/isotope.js
index a46b123..1e18661 100644
--- a/js/isotope.js
+++ b/js/isotope.js
@@ -436,8 +436,8 @@ function isotopeDefinition( Outlayer, getSize, matchesSelector, Item, LayoutMode
     return this._mode()._getContainerSize();
   };
 
-  Isotope.prototype.resize = function() {
-    this._mode().resize();
+  Isotope.prototype.needsResizeLayout = function() {
+    return this._mode().needsResizeLayout();
   };
 
   // -------------------------- adding & removing -------------------------- //
diff --git a/js/layout-mode.js b/js/layout-mode.js
index 77b5508..1b96da6 100644
--- a/js/layout-mode.js
+++ b/js/layout-mode.js
@@ -29,7 +29,7 @@ function layoutModeDefinition( getSize, Outlayer ) {
       '_manageStamp',
       '_getContainerSize',
       '_getElementOffset',
-      'resize'
+      'needsResizeLayout'
     ];
 
     for ( var i=0, len = facadeMethods.length; i < len; i++ ) {
@@ -47,17 +47,13 @@ function layoutModeDefinition( getSize, Outlayer ) {
   // -----  ----- //
 
   // for horizontal layout modes, check vertical size
-  LayoutMode.prototype.resizeVertical = function() {
+  LayoutMode.prototype.needsVerticalResizeLayout = function() {
     // don't trigger if size did not change
     var size = getSize( this.isotope.element );
     // check that this.size and size are there
     // IE8 triggers resize on body size change, so they might not be
     var hasSizes = this.isotope.size && size;
-    if ( hasSizes && size.innerHeight === this.isotope.size.innerHeight ) {
-      return;
-    }
-
-    this.isotope.layout();
+    return hasSizes && size.innerHeight !== this.isotope.size.innerHeight;
   };
 
   // ----- measurements ----- //