diff --git a/bower.json b/bower.json
index dc93e3f..0b8a02e 100644
--- a/bower.json
+++ b/bower.json
@@ -2,6 +2,6 @@
   "name": "core-pages",
   "private": true,
   "dependencies": {
-    "core-selector": "Polymer/core-selector#master"
+    "core-selector": "Polymer/core-selector#^0.5"
   }
 }
\ No newline at end of file