diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 75bbf341..731ce3eb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,14 +23,24 @@ jobs:
 
   test:
     name: test py${{ matrix.python-version }} on ${{ matrix.os }}
-
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-13, macos-latest, windows-latest]
         python-version: ['3.8', '3.9', '3.10', '3.11']
-
-    runs-on: ${{ matrix.os }}
+        exclude:
+          # Python 3.8 and 3.9 are not available on macOS 14
+          - os: macos-13
+            python-version: '3.10'
+          - os: macos-13
+            python-version: '3.11'
+          - os: macos-13
+            python-version: '3.12'
+          - os: macos-latest
+            python-version: '3.8'
+          - os: macos-latest
+            python-version: '3.9'
     steps:
       - uses: actions/checkout@v4
       - name: set up python