diff --git a/package.json b/package.json
index bc637f8..f3cfce5 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "eslint-plugin-node": "^11.0.0",
     "eslint-plugin-promise": "^4.0.1",
     "eslint-plugin-standard": "^4.0.0",
-    "koa": "^2.6.2",
+    "koa": "^3.1.1",
     "mocha": "^7.0.1",
     "supertest": "^4.0.1"
   },