diff --git a/bower.json b/bower.json
index 23565c98..5fbcfe9e 100644
--- a/bower.json
+++ b/bower.json
@@ -17,7 +17,7 @@
     "ember": "^1.10.0"
   },
   "devDependencies": {
-    "mocha": "~2.2.4",
+    "mocha": "^2.2.4",
     "chai": "~2.3.0",
     "ember-mocha-adapter": "~0.3.1",
     "loader": "stefanpenner/loader.js#1.0.1",