diff --git a/package.json b/package.json
index 5601a0c..3c50684 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "connect-flash": "^0.1.1",
     "cookie-parser": "^1.4.7",
     "cookie-signature": "^1.2.1",
-    "express": "^4.19.2",
+    "express": "^4.21.1",
     "express-session": "^1.18.0",
     "iobroker.simple-api": "^2.8.0",
     "iobroker.ws": "2.6.2",