diff --git a/.forgejo/workflows/demo.yml b/.forgejo/workflows/demo.yml
index cab86f3..107f855 100644
--- a/.forgejo/workflows/demo.yml
+++ b/.forgejo/workflows/demo.yml
@@ -5,6 +5,7 @@ on:
 
 jobs:
   build:
+    runs-on: docker
     steps:
       - name: Say Hello to the World
         run: echo "Hello, World!"