diff --git a/package.json b/package.json
index 2aa8a49..fbbce89 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "eslint-plugin-promise": "^6.1.1",
     "eslint-plugin-standard": "^5.0.0",
     "etag": "^1.8.1",
-    "koa": "^2.13.4",
+    "koa": "^3.2.1",
     "koa-etag": "^4.0.0",
     "mocha": "^11.7.4",
     "nyc": "^15.1.0",