diff --git a/package.json b/package.json
index 806e4106..92f64c0e 100644
--- a/package.json
+++ b/package.json
@@ -120,7 +120,7 @@
     "typescript": "^2.7.2",
     "uglifyjs-webpack-plugin": "^1.2.2",
     "webpack": "^3.11.0",
-    "webpack-dev-server": "^2.11.1",
+    "webpack-dev-server": "^3.1.2",
     "webpack-merge": "^4.1.2"
   },
   "ava": {