diff --git a/package.json b/package.json
index 9b7bcc0..4224143 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "grunt-karma": "*",
     "karma-mocha": "*",
     "karma-ie-launcher": "*",
+    "karma-firefox-launcher": "*",
     "karma-safari-launcher": "*",
     "karma-script-launcher": "*",
     "karma-crbot-reporter": "*",