diff --git a/graphql-lesson03/package.json b/graphql-lesson03/package.json
index e3ab651..00ed957 100644
--- a/graphql-lesson03/package.json
+++ b/graphql-lesson03/package.json
@@ -10,7 +10,7 @@
     "koa-convert": "^1.2.0",
     "koa-graphql": "^0.6.0",
     "koa-mount": "^1.3.0",
-    "koa-router": "^5.4.0",
+    "koa-router": "^13.0.1",
     "nodemon": "^1.11.0"
   },
   "devDependencies": {