diff --git a/.github/workflows/daily.yml b/.github/workflows/daily.yml
index 9cea96678..fa1919af3 100644
--- a/.github/workflows/daily.yml
+++ b/.github/workflows/daily.yml
@@ -36,17 +36,28 @@ jobs:
       matrix:
         # tkinter doesn't import on macOS-12
         os: ["ubuntu-latest", "windows-latest", "macos-11"]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
       fail-fast: false
 
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }} on ${{ matrix.os }}
+        if: ${{ matrix.os != 'macos-11' || matrix.python-version != '3.7' }}
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
           cache: pip
           cache-dependency-path: requirements-tests.txt
+          allow-prereleases: true
+        # Handle the py37 run on macos differently,
+        # to workaround https://github.com/actions/setup-python/issues/682
+      - name: Setup Python 3.7.16 on macos
+        if: ${{ matrix.os == 'macos-11' && matrix.python-version == '3.7' }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.7.16"
+          cache: pip
+          cache-dependency-path: requirements-tests.txt
       - name: Install dependencies
         run: pip install -r requirements-tests.txt
       - name: Run stubtest
diff --git a/.github/workflows/stubtest_stdlib.yml b/.github/workflows/stubtest_stdlib.yml
index e1b394f87..b4ede529e 100644
--- a/.github/workflows/stubtest_stdlib.yml
+++ b/.github/workflows/stubtest_stdlib.yml
@@ -32,17 +32,28 @@ jobs:
       matrix:
         # tkinter doesn't import on macOS 12
         os: ["ubuntu-latest", "windows-latest", "macos-11"]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12-dev"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
       fail-fast: false
 
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }} on ${{ matrix.os }}
+        if: ${{ matrix.os != 'macos-11' || matrix.python-version != '3.7' }}
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
           cache: pip
           cache-dependency-path: requirements-tests.txt
+          allow-prereleases: true
+        # Handle the py37 run on macos differently,
+        # to workaround https://github.com/actions/setup-python/issues/682
+      - name: Setup Python 3.7.16 on macos
+        if: ${{ matrix.os == 'macos-11' && matrix.python-version == '3.7' }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.7.16"
+          cache: pip
+          cache-dependency-path: requirements-tests.txt
       - name: Install dependencies
         run: pip install -r requirements-tests.txt
       - name: Run stubtest