diff --git a/package.json b/package.json
index 91a8124..0aff7f8 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "eslint-loader": "^1.6.1",
     "mocha": "^3.2.0",
     "webpack": "beta",
-    "webpack-dev-server": "^1.16.2",
+    "webpack-dev-server": "4.2.0",
     "yargs": "^6.6.0"
   },
   "dependencies": {}