diff --git a/.forgejo/workflows/demo.yaml b/.forgejo/workflows/demo.yaml
index 9075e51..f260ea7 100644
--- a/.forgejo/workflows/demo.yaml
+++ b/.forgejo/workflows/demo.yaml
@@ -6,5 +6,5 @@ jobs:
       - run: nix-env --install nodejs
       - name: checkout
         uses: actions/checkout@v4
-      - run: nix --extra-experimental-features nix-command develop
+      - run: nix --extra-experimental-features nix-command --extra-experimental-features flakes develop
       - run: just test