diff --git a/package.json b/package.json
index e7f5405..9e9ba1c 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "jade": "~1.11.0",
     "jwt-simple": "^0.5.1",
     "moment": "^2.17.0",
-    "mongoose": "^4.6.6",
+    "mongoose": "^5.9.7",
     "morgan": "~1.7.0",
     "passport": "^0.3.2",
     "passport-local": "^1.0.0",