diff --git a/package.json b/package.json
index 11547c0..6b999f7 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "co-body": "^4.2.0",
     "config": "^1.20.4",
     "koa": "^1.2.0",
-    "koa-router": "^7.1.0",
+    "koa-router": "^5.4.0",
     "koa-static": "^2.0.0",
     "mongodb": "^2.1.20",
     "nodemailer": "^2.4.2",