diff --git a/package.json b/package.json
index ba7e861..9025aad 100644
--- a/package.json
+++ b/package.json
@@ -106,7 +106,7 @@
     "terser-webpack-plugin": "1.4.1",
     "webpack": "4.39.1",
     "webpack-cli": "3.3.6",
-    "webpack-dev-server": "3.7.2",
+    "webpack-dev-server": "3.9.0",
     "webpack-merge": "4.2.1"
   }
 }