diff --git a/package.json b/package.json
index 6bfd817..538bb67 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "basic-auth": "^2.0.1",
     "body-parser": "^1.20.0",
     "cookie": "^0.5.0",
-    "express": "~4.19.2",
+    "express": "~4.21.0",
     "handlebars": "^4.7.7",
     "shortid": "^2.2.16",
     "shutdown-handler": "^1.0.1",