diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 14493e7..f506413 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     container: 
       privileged: true
-      image: catthehacker/ubuntu:act-latest
+      image: registry.local/buildkit-wagnerca:stable-1-rootless
       valid_volumes:
         - '**'
       options: '-e DOCKER_HOST=unix:///run/user/1000/docker.sock -v /var/run/user/1000/docker.sock:/run/user/1000/docker.sock'