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 f242055f4f..9a234edf80 100644
--- a/themes/hugo-theme-altinn/static/revealjs/plugin/multiplex/package.json
+++ b/themes/hugo-theme-altinn/static/revealjs/plugin/multiplex/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "express": "~4.19.0",
-    "grunt-cli": "~0.1.13",
+    "grunt-cli": "~1.4.0",
     "mustache": "~4.2.0",
     "socket.io": "~1.3.7"
   },