diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..332acb7
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,19 @@
+name: Check flake
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  check:
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check Nix flake Nixpkgs inputs
+        uses: DeterminateSystems/flake-checker-action@main
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - run: nix flake check --all-systems