diff --git a/.forgejo/workflows/demo.yaml b/.forgejo/workflows/demo.yaml
new file mode 100644
index 0000000..36fdc3c
--- /dev/null
+++ b/.forgejo/workflows/demo.yaml
@@ -0,0 +1,6 @@
+on: [push]
+jobs:
+  test:
+    runs-on: native
+    steps:
+      - run: nix build git+$GITHUB_SERVER_URL/$GITHUB_REPOSITORY?ref=$GITHUB_REF#nixosConfigurations.hs.config.system.build.toplevel