diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 9cb28bc..fb04d70
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "material-design-icons": "^3.0.1",
     "material-ui": "^0.16.1",
     "mongodb": "^2.2.11",
-    "mongoose": "^4.7.0",
+    "mongoose": "^5.8.9",
     "morgan": "^1.7.0",
     "muicss": "^0.9.4",
     "neo4j-driver": "^1.0.5",