diff --git a/.forgejo/workflows/demo.yaml b/.forgejo/workflows/demo.yaml
index 5f16329..ec99b33 100644
--- a/.forgejo/workflows/demo.yaml
+++ b/.forgejo/workflows/demo.yaml
@@ -8,7 +8,7 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: docker
 
     steps:
     - name: Set up Rust