diff --git a/package.json b/package.json
index ca7b19e..2925915 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "sw-precache-webpack-plugin": "0.11.3",
     "url-loader": "0.5.9",
     "webpack": "2.6.1",
-    "webpack-dev-server": "2.5.0",
+    "webpack-dev-server": "5.2.1",
     "webpack-manifest-plugin": "1.1.0",
     "whatwg-fetch": "2.0.3"
   },