diff --git a/package.json b/package.json
index c8d22d1..5a9af7b 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "mocha": "^3.2.0",
     "style-loader": "^0.18.0",
     "url-loader": "^0.5.7",
-    "webpack": "^3.1.0",
+    "webpack": "^4.0.0",
     "webpack-dev-server": "^2.3.0"
   },
   "dependencies": {