diff --git a/package.json b/package.json
index ab6873a4..d41cf08e 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "gh-pages": "^2.0.1",
     "istanbul": "^0.4.5",
     "jsdom": "^14.0.0",
-    "karma": "^3.1.4",
+    "karma": "^4.1.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-mocha": "^1.3.0",
     "magicpen": "^6.0.2",