diff --git a/package.json b/package.json
index b6e3834..0ec06ea 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,9 @@
     "grunt-contrib-uglify": "*",
     "grunt-contrib-yuidoc": "~0.4.0",
     "grunt-karma": "*",
+    "karma": "~0.12.0",
     "karma-mocha": "*",
+    "karma-firefox-launcher": "*",
     "karma-ie-launcher": "*",
 		"karma-safari-launcher": "*",
     "karma-script-launcher": "*",