diff --git a/.gitea/workflows/check.yaml b/.gitea/workflows/check.yaml
new file mode 100644
index 0000000..39684ab
--- /dev/null
+++ b/.gitea/workflows/check.yaml
@@ -0,0 +1,9 @@
+name: build
+on:
+  push:
+jobs:
+  test:
+    runs-on: nix
+    steps:
+      - uses: actions/checkout@v3
+      - run: nix flake check -L