diff --git a/package.json b/package.json
index 0d71f3e5..7912588b 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "dependencies": {
     "accepts": "~1.3.7",
     "batch": "0.6.1",
-    "debug": "2.6.9",
+    "debug": "4.3.3",
     "escape-html": "~1.0.3",
     "http-errors": "~1.7.2",
     "mime-types": "~2.1.24",