diff --git a/package.json b/package.json
index 08e5dbf..13b5531 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "coveralls": "^3.0.0",
     "dirty-chai": "^2.0.1",
     "istanbul": "^0.4.5",
-    "karma": "^1.7.1",
+    "karma": "^4.4.1",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-mocha": "^1.3.0",