diff --git a/package.json b/package.json
index bfcf646..b7c6551 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "url": "https://opencollective.com/express"
   },
   "dependencies": {
-    "debug": "3.1.0",
+    "debug": "~4.4.0",
     "methods": "~1.1.2",
     "parseurl": "~1.3.2",
     "vary": "~1.1.2"