diff --git a/.gitea/workflows/nix-fmt.yaml b/.gitea/workflows/nix-fmt.yaml
new file mode 100644
index 0000000..38ccfdd
--- /dev/null
+++ b/.gitea/workflows/nix-fmt.yaml
@@ -0,0 +1,22 @@
+name: Format Nix Flake
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@v2
+        with:
+          nix_version: '2.18.1' # or desired Nix version
+
+      - name: Format Nix Flake
+        run: nix fmt