diff --git a/package.json b/package.json
index c624a77..2e060e1 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "uglifyjs": "^2.4.10",
     "v8-lazy-parse-webpack-plugin": "^0.3.0",
     "webpack": "^2.2.1",
-    "webpack-dev-server": "^2.3.0",
+    "webpack-dev-server": "^5.2.4",
     "whatwg-fetch": "^2.0.2"
   }
 }