diff --git a/package.json b/package.json
index 0995015..6db7196 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "style-loader": "0.19.0",
     "sw-precache-webpack-plugin": "0.11.4",
     "url-loader": "0.6.2",
-    "webpack": "3.8.1",
+    "webpack": "4.0.0",
     "webpack-dev-server": "2.9.4",
     "webpack-manifest-plugin": "1.3.2",
     "whatwg-fetch": "2.0.3"