diff --git a/.forgejo/workflows/demo.yaml b/.forgejo/workflows/demo.yaml
index 4597d9f..5d79cd5 100644
--- a/.forgejo/workflows/demo.yaml
+++ b/.forgejo/workflows/demo.yaml
@@ -7,6 +7,8 @@ on:
 jobs:
   test:
     runs-on: docker
+    container:
+      image: alpine
 
     steps:
       - name: See empty repo