diff --git a/example/package.json b/example/package.json
index e6d135e..49b34cb 100644
--- a/example/package.json
+++ b/example/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@koa/router": "^10.1.1",
-    "koa": "^2.13.4",
+    "koa": "^3.0.0",
     "koa-body": "^5.0.0",
     "next": "12.1.6",
     "nextjs-koa-api": "^2.0.0",
diff --git a/lib/koa-api/package.json b/lib/koa-api/package.json
index e1dacef..400d8fd 100644
--- a/lib/koa-api/package.json
+++ b/lib/koa-api/package.json
@@ -80,7 +80,7 @@
   },
   "dependencies": {
     "@koa/router": "^10.1.1",
-    "koa": "^2.13.4",
+    "koa": "^3.0.0",
     "on-finished": "^2.4.1",
     "@types/koa": "^2.13.4",
     "@types/koa__router": "^8.0.11"