diff --git a/package.json b/package.json
index cb66783..9c3a29f 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "start": "vercel dev"
   },
   "dependencies": {
-    "koa": "2.15.1",
+    "koa": "2.15.2",
     "leancloud-storage": "4.12.3",
     "oauth-1.0a": "2.2.6",
     "oauth-sign": "0.9.0",