diff --git a/bower.json b/bower.json
index d334b25..0160772 100644
--- a/bower.json
+++ b/bower.json
@@ -2,7 +2,7 @@
   "name": "core-label",
   "private": true,
   "dependencies": {
-    "polymer": "Polymer/polymer#master"
+    "polymer": "Polymer/polymer#^0.5.0"
   },
   "devDependencies": {
     "web-component-tester": "Polymer/web-component-tester#^1"
@@ -13,5 +13,6 @@
     "bower_components",
     "test",
     "tests"
-  ]
-}
+  ],
+  "version": "0.5.1"
+}
\ No newline at end of file