diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 12e633a..512a670 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,9 +21,7 @@ jobs:
         os: [ubuntu-22.04]
         include:
           - python-version: "3.12"
-            os: macos-12
-          - python-version: "3.12"
-            os: macos-14
+            os: macos-13
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}