diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 42035ba..7569630 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         python-version: ['3.9', '3.10', '3.11', '3.12']
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, windows-latest, macos-13]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}