diff --git a/package.json b/package.json
index 30d9904..8572f0c 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "express-session": "^1.0.4",
     "method-override": "~1.0.0",
     "mime": ">=1.4.1",
-    "mongoose": "~4.4",
+    "mongoose": "~5.8",
     "morgan": "~1.0.0",
     "negotiator": "^0.6.1",
     "passport": "^0.1.18",