diff --git a/package.json b/package.json
index 4eaf1f3..e94a750 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
         "karma-sinon": "^1.0.5",
         "karma-sourcemap-loader": "^0.3.7",
         "karma-sourcemap-writer": "^0.1.2",
-        "karma-webpack": "^3.0.5",
+        "karma-webpack": "^4.0.2",
         "mocha": "^5.2.0",
         "phaser": "^3.16.2",
         "prettier": "^1.16.4",