diff --git a/package.json b/package.json
index fd077dd..2c7435b 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "typings-for-css-modules-loader": "1.7.0",
     "webpack": "4.12.0",
     "webpack-cli": "3.0.7",
-    "webpack-dev-server": "3.1.4",
+    "webpack-dev-server": "3.9.0",
     "webpack-merge": "4.1.3",
     "webpack-node-externals": "1.7.2",
     "write-file-webpack-plugin": "4.3.2"