diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c365a5e..21d51cd 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,6 +8,13 @@ jobs:
     - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@stable
     - run: cargo build --verbose
+  nix:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: cachix/install-nix-action@v27
+    - run: nix build
+    - run: nix flake check
   fmt:
     runs-on: ubuntu-latest
     steps: