diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
new file mode 100644
index 0000000..204011a
--- /dev/null
+++ b/.github/workflows/check.yml
@@ -0,0 +1,16 @@
+name: check-flake
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    name: Check nix flake
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Check Nix flake inputs
+        uses: DeterminateSystems/flake-checker-action@v4