📌 fix webpack-dev-server

package.json

@@ -61,7 +61,7 @@
     "url-loader": "^4.1.0",
     "webpack": "^4.44.2",
     "webpack-cli": "^3.3.12",
-    "webpack-dev-server": "^3.11.0",
+    "webpack-dev-server": "^3.11.2",
     "webpack-merge": "^5.1.4"
   }
 }