diff --git a/package.json b/package.json
index bebcc8b..516bbb2 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "config": "^1.17.1",
     "cookie-parser": "~1.3.5",
     "crypto-js": "^3.1.6",
-    "debug": "~2.2.0",
+    "debug": "~4.1.1",
     "express": "~4.13.1",
     "express-session": "^1.13.0",
     "jade": "~1.11.0",