diff --git a/package.json b/package.json
index 8b3b2f67..ca636e86 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "koa-passport": "^4.1.1",
     "koa-router": "^7.0.1",
     "koa-static": "^5.0.0",
-    "mongoose": "^5.0.8",
+    "mongoose": "^5.4.2",
     "passport-local": "^1.0.0",
     "request": "^2.85.0",
     "request-promise": "^4.2.2"