diff --git a/bower.json b/bower.json
index ba64b03..4b46e03 100644
--- a/bower.json
+++ b/bower.json
@@ -2,7 +2,7 @@
   "name": "core-item",
   "private": true,
   "dependencies": {
-    "core-icon": "Polymer/core-icon#master",
-    "core-icons": "Polymer/core-icons#master"
+    "core-icon": "Polymer/core-icon#>=0.3.0 <1.0.0",
+    "core-icons": "Polymer/core-icons#>=0.3.0 <1.0.0"
   }
 }
\ No newline at end of file