diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f5579bd..840effe 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
         with:
           access_token: ${{ github.token }}
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.10'
       - uses: pre-commit/action@v3.0.1
@@ -27,7 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         python: [ 3.9, "3.10", "3.11" ]
-        os:  [ macos-latest, ubuntu-latest] # disable windows for now, windows-latest ]
+        os:  [ macos-13, ubuntu-latest] # disable windows for now, windows-latest ]
     defaults:
       run:
         shell: bash
@@ -41,7 +41,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Python and cache deps
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
           cache: 'pip'
@@ -68,7 +68,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Python and cache deps
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"
           cache: 'pip'