diff --git a/.github/workflows/pytest.yaml b/.github/workflows/pytest.yaml
index 327a91f..6cfa27c 100644
--- a/.github/workflows/pytest.yaml
+++ b/.github/workflows/pytest.yaml
@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: [ "3.9","3.10","3.11"]
-        os: [ ubuntu-latest, macos-12]
+        os: [ ubuntu-latest, macos-15]
     runs-on: ${{ matrix.os }}
     timeout-minutes: 30
     name: 🧪 Run pytests