diff --git a/package.json b/package.json
index 27ddf1d..41e200a 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
     "typings-for-css-modules-loader": "1.7.0",
     "webpack": "4.12.2",
     "webpack-cli": "3.0.8",
-    "webpack-dev-server": "3.1.10",
+    "webpack-dev-server": "3.9.0",
     "webpack-merge": "4.1.5",
     "webpack-node-externals": "1.7.2",
     "whatwg-fetch": "3.0.0",