diff --git a/package.json b/package.json
index 36387796..89008ca8 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   "dependencies": {
     "cookie": "~0.7.2",
     "cookie-signature": "~1.0.7",
-    "debug": "~2.6.9",
+    "debug": "~4.4.0",
     "depd": "~2.0.0",
     "on-headers": "~1.1.0",
     "parseurl": "~1.3.3",