diff --git a/examples/ajax-cancel/package.json b/examples/ajax-cancel/package.json
index fae2ac7..d5a7fba 100644
--- a/examples/ajax-cancel/package.json
+++ b/examples/ajax-cancel/package.json
@@ -16,6 +16,6 @@
   "devDependencies": {
     "webpack": "^4.41.2",
     "webpack-cli": "^3.3.9",
-    "webpack-dev-server": "3.7.1"
+    "webpack-dev-server": "5.2.6"
   }
 }