diff --git a/package.json b/package.json
index 8b29a97..3a1190f 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "grunt-contrib-jshint": "~2.0.0",
     "grunt-contrib-uglify": "^3.0.1",
     "grunt-contrib-watch": "~1.1.0",
-    "grunt-karma": "^2.0.0",
+    "grunt-karma": "^4.0.2",
     "jasmine-core": "^2.4.1",
     "jasmine-node": "^1.14.5",
     "jshint": "^2.9.1",