diff --git a/package.json b/package.json
index e19be77..c8eb81a 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "koa": "^1.1.2",
     "koa-bodyparser": "^2.0.0",
     "koa-router": "^5.3.0",
-    "mongoose": "^4.3.4",
+    "mongoose": "^5.7.7",
     "request": "^2.67.0"
   }
 }