diff --git a/packages/extension-playground/package.json b/packages/extension-playground/package.json
index 886c52e05..e5c5fed81 100644
--- a/packages/extension-playground/package.json
+++ b/packages/extension-playground/package.json
@@ -30,7 +30,7 @@
     "redux": "^4.0.5",
     "react-hot-loader": "^4.12.20",
     "webpack-cli": "^3.3.12",
-    "webpack-dev-server": "^3.11.0"
+    "webpack-dev-server": "^4.7.3"
   },
   "devDependencies": {
     "@types/redux": "^3.6.0"