diff --git a/package.json b/package.json
index 786a901..f267771 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "cookie-parser": "~1.4.4",
     "cors": "^2.8.5",
     "debug": "~2.6.9",
-    "express": "~4.16.1",
+    "express": "~4.21.0",
     "http-errors": "^1.6.3",
     "jade": "~1.11.0",
     "morgan": "~1.9.1"