diff --git a/package.json b/package.json
index 9f04b3f654..5ba9b9b342 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "socket.io-client": "automattic/socket.io-client#master",
     "socket.io-adapter": "0.4.0",
     "has-binary": "0.1.7",
-    "debug": "2.2.0"
+    "debug": "4.1.1"
   },
   "devDependencies": {
     "expect.js": "0.3.1",