diff --git a/.gitea/workflows/publish.yaml b/.gitea/workflows/publish.yaml
index aafa79b..df43668 100644
--- a/.gitea/workflows/publish.yaml
+++ b/.gitea/workflows/publish.yaml
@@ -75,6 +75,7 @@ jobs:
         uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
         with:
           context: .
+          file: Containerfile
           push: ${{ gitea.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}