diff --git a/package.json b/package.json
index 0c074f0..e82890d 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
 	},
 	"devDependencies": {
 		"@cloudflare/workers-types": "^4.0.0",
-		"@types/koa": "^2.14.0",
+		"@types/koa": "^3.0.0",
 		"@types/koa-router": "^7.4.8",
 		"@types/koa-session": "^6.4.5",
 		"@types/node": "^20.0.0",