diff --git a/package.json b/package.json
index 9b0cf13..d5fe8b7 100644
--- a/package.json
+++ b/package.json
@@ -52,9 +52,9 @@
     "gulp-util": "=3.0.1",
     "istanbul": "^0.3.5",
     "karma": "^0.12.28",
-    "karma-chrome-launcher": "^0.1.7",
-    "karma-detect-browsers": "^0.1.3",
-    "karma-firefox-launcher": "^0.1.3",
+    "karma-chrome-launcher": "^0.1.8",
+    "karma-detect-browsers": "^2.0.0",
+    "karma-firefox-launcher": "^0.1.4",
     "karma-mocha": "^0.1.9",
     "lodash": "^2.4.1",
     "mocha": "^2.0.1",