diff --git a/package.json b/package.json
index f624582..a4771dc 100644
--- a/package.json
+++ b/package.json
@@ -26,10 +26,10 @@
   },
   "dependencies": {
     "body-parser": "^1.15.2",
-    "debug": "^2.2.0",
+    "debug": "^3.1.0",
     "express": "^4.14.0",
     "jsonwebtoken": "^7.1.9",
-    "mongoose": "^4.6.8",
+    "mongoose": "^5.2.6",
     "morgan": "^1.7.0",
     "passport": "^0.3.2",
     "request": "^2.79.0",