diff --git a/package.json b/package.json
index b1b1361..a5b1bea 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "connect-flash": "~0.1.1",
     "ejs": "~2.5.5",
     "express": "latest",
-    "mongoose": "~4.4",
+    "mongoose": "~5.7",
     "passport": "~0.1.17",
     "passport-facebook": "~1.0.2",
     "passport-google-oauth": "~0.1.5",