diff --git a/package.json b/package.json
index 4dbc1df..8b4ab8f 100644
--- a/package.json
+++ b/package.json
@@ -50,6 +50,6 @@
     "unexpected-express": "7.7.0"
   },
   "dependencies": {
-    "debug": "^2.2.0"
+    "debug": "^4.3.1"
   }
 }