diff --git a/.forgejo/workflows/demo.yaml b/.forgejo/workflows/demo.yaml
index 0dcc5d1..3cd929d 100644
--- a/.forgejo/workflows/demo.yaml
+++ b/.forgejo/workflows/demo.yaml
@@ -3,5 +3,7 @@ jobs:
   test:
     runs-on: nixos-latest
     steps:
+      - name: checkout
+        uses: actions/checkout@v4
       - run: nix --extra-experimental-features nix-command develop
       - run: just test