diff -ur traefik-2.11.2-orig/webui/package.json traefik-2.11.2/webui/package.json
--- traefik-2.11.2-orig/webui/package.json	2024-04-11 17:36:03.000000000 +0200
+++ traefik-2.11.2/webui/package.json	2024-05-03 17:13:12.724836490 +0200
@@ -53,7 +53,7 @@
     "postcss": "^8.4.14"
   },
   "engines": {
-    "node": "^20 || ^18 || ^16",
+    "node": "^21 || ^20 || ^18 || ^16",
     "npm": ">= 6.13.4",
     "yarn": ">= 1.21.1"
   }