diff --git a/bower.json b/bower.json
index 2b14503..623799e 100644
--- a/bower.json
+++ b/bower.json
@@ -18,12 +18,12 @@
     "**/.*"
   ],
   "dependencies": {
-    "polymer": "Polymer/polymer#^1.0.0",
+    "polymer": "Polymer/polymer#^2.0.0",
     "d3": "~3.5.6"
   },
   "devDependencies": {
-    "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
-    "web-component-tester": "*",
-    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
+    "iron-component-page": "PolymerElements/iron-component-page#^2.0.0",
+    "iron-demo-helpers": "PolymerElements/iron-demo-helpers#^2.0.0",
+    "web-component-tester": "*"
   }
 }