diff --git a/bower.json b/bower.json
index 48ebced..c09cba9 100644
--- a/bower.json
+++ b/bower.json
@@ -2,7 +2,7 @@
   "name": "core-selection",
   "private": true,
   "dependencies": {
-    "polymer": "Polymer/polymer#master"
+    "polymer": "Polymer/polymer#^0.5"
   },
   "devDependencies": {
     "web-component-tester": "Polymer/web-component-tester#^1.1.0"