diff --git a/bower.json b/bower.json
index 4effa14..9d053e7 100644
--- a/bower.json
+++ b/bower.json
@@ -2,13 +2,13 @@
   "name": "core-dropdown",
   "private": false,
   "dependencies": {
-  	"polymer": "Polymer/polymer#master",
+    "polymer": "Polymer/polymer#master",
     "core-collapse": "Polymer/core-collapse#master",
-  	"core-icon-button": "Polymer/core-icon-button#master",
-  	"core-icons": "Polymer/core-icons#master",
+    "core-icon-button": "Polymer/core-icon-button#master",
+    "core-icons": "Polymer/core-icons#master",
     "core-overlay": "Polymer/core-overlay#master"
   },
   "devDependencies": {
-    "web-component-tester": "Polymer/web-component-tester#^1.1.4"
+    "web-component-tester": "*"
   }
 }