diff --git a/package.json b/package.json
index 3c096b5..38744c9 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "concurrently": "^3.5.1",
     "ejs": "~2.5.7",
     "express": "^4.16.0",
-    "mongoose": "^4.10.8",
+    "mongoose": "^5.7.8",
     "morgan": "^1.9.0",
     "rlp": "^2.0.0",
     "serve-favicon": "~2.4.5",