diff --git a/package.json b/package.json
index 6cb1d7b..92a4be7 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "socket.io": "0.9.17",
     "body-parser": "~1.10.2",
     "cookie-parser": "~1.3.3",
-    "debug": "~2.1.1",
+    "debug": "~4.1.1",
     "express": "~4.11.1",
     "jade": "~1.9.1",
     "morgan": "~1.5.1",