diff --git a/bower.json b/bower.json
index 4bab52e..29d3c04 100644
--- a/bower.json
+++ b/bower.json
@@ -1,8 +1,8 @@
-{
-  "name": "core-component-page",
-  "private": true,
-  "dependencies": {
-    "webcomponentsjs": "Polymer/webcomponentsjs#master",
-    "polymer": "Polymer/polymer#master"
-  }
-}
+{
+  "name": "core-component-page",
+  "private": true,
+  "dependencies": {
+    "webcomponentsjs": "Polymer/webcomponentsjs#^0.5",
+    "polymer": "Polymer/polymer#^0.5"
+  }
+}
\ No newline at end of file