diff --git a/package.json b/package.json
index 746cb94..4f3f043 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "koa-logger": "^3.1.0",
     "koa-mount": "^4.0.0",
     "koa-passport": "^4.1.1",
-    "koa-router": "^8.0.6",
+    "koa-router": "^9.0.1",
     "koa-static": "^5.0.0",
     "line-reader": "^0.4.0",
     "mongoose": "^5.5.12",