diff --git a/examples/webpack-build-server/package.json b/examples/webpack-build-server/package.json
index 28ef8ba392..05c2968a86 100644
--- a/examples/webpack-build-server/package.json
+++ b/examples/webpack-build-server/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "brfs": "^1.4.3",
     "bufferutil": "^1.3.0",
-    "socket.io": "^1.7.2",
+    "socket.io": "^2.1.0",
     "transform-loader": "^0.2.3",
     "utf-8-validate": "^2.0.0"
   },