diff --git a/package.json b/package.json
index bf3fe3f9..5ffb8e6b 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     }
   ],
   "dependencies": {
-    "debug": "^2.2.0",
+    "debug": "^4.3.5",
     "eventsource": "0.1.6",
     "faye-websocket": "~0.11.0",
     "inherits": "^2.0.1",