diff --git a/package.json b/package.json
index b5de657..8f2c197 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "@signalk/signalk-schema": "^1.7.2",
     "bootstrap": "^5.3.7",
     "concurrently": "^7.6.0",
-    "express": "^4.18.2",
+    "express": "^5.1.0",
     "reconnect-core": "^1.3.0",
     "serialport": "^10.5.0",
     "ws": "^8.14.2"