diff --git a/demo/request/package.json b/demo/request/package.json
index 54d2b66..3291ec9 100644
--- a/demo/request/package.json
+++ b/demo/request/package.json
@@ -14,7 +14,7 @@
   "license": "MIT",
   "dependencies": {
     "koa": "^2.3.0",
-    "koa-bodyparser": "^3.2.0"
+    "koa-bodyparser": "^4.1.0"
   },
   "engines": {
     "node": ">=7.6.0",