diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 45d48b3..893ecac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,10 @@ on:
 
 jobs:
   nix-flake-check:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v24