diff --git a/themes/hugo-theme-altinn/static/revealjs/plugin/multiplex/package.json b/themes/hugo-theme-altinn/static/revealjs/plugin/multiplex/package.json
index bfd50f8534..3507289125 100644
--- a/themes/hugo-theme-altinn/static/revealjs/plugin/multiplex/package.json
+++ b/themes/hugo-theme-altinn/static/revealjs/plugin/multiplex/package.json
@@ -7,7 +7,7 @@
     "start": "node index.js"
   },
   "engines": {
-    "node": "~20.15.0"
+    "node": "~22.12.0"
   },
   "dependencies": {
     "express": "~4.19.0",