diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e48411b..bf90e1d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,10 +17,10 @@ jobs:
     - run: nix fmt . -- --check
     - run: nix flake check
   tests-darwin:
-    runs-on: macos-12
+    runs-on: macos-15
     steps:
     - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v24
+    - uses: cachix/install-nix-action@v30
       with:
         extra_nix_config: |
           system-features = nixos-test recursive-nix benchmark big-parallel kvm