diff --git a/package.json b/package.json
index 22c5e79..8a895c6 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "ts-pnp": "1.1.2",
     "url-loader": "1.1.2",
     "webpack": "4.29.6",
-    "webpack-dev-server": "3.2.1",
+    "webpack-dev-server": "4.0.0",
     "webpack-manifest-plugin": "2.0.4",
     "workbox-webpack-plugin": "4.2.0"
   },