diff --git a/.github/workflows/osx-build-test-amd64.yml b/.github/workflows/osx-build-test-amd64.yml
index e5f905a6..2f4895ef 100644
--- a/.github/workflows/osx-build-test-amd64.yml
+++ b/.github/workflows/osx-build-test-amd64.yml
@@ -9,7 +9,7 @@ jobs:
 
   osx-build:
     name: Build wheel for OSX
-    runs-on: macos-12
+    runs-on: macos-13
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -46,13 +46,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: ["macos-12", "macos-13", "macos-14", "macos-15"]
+        os: ["macos-13", "macos-14", "macos-15"]
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
-        exclude:
-          - os: "macos-12"
-            python-version: "3.13"
-
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/osx-test-with-brew.yml b/.github/workflows/osx-test-with-brew.yml
index 79225889..ee34d6ce 100644
--- a/.github/workflows/osx-test-with-brew.yml
+++ b/.github/workflows/osx-test-with-brew.yml
@@ -9,10 +9,7 @@ jobs:
     strategy:
       matrix:
         python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
-        runs-on: ["macos-12", "macos-13", "macos-14", "macos-15"]
-        exclude:
-          - os: "macos-12"
-            python-version: "3.13"
+        runs-on: ["macos-13", "macos-14", "macos-15"]
 
     runs-on: ${{ matrix.runs-on }}
     steps:
diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index 82c45eb2..fb8aba35 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -53,7 +53,7 @@ jobs:
     needs: publish-to-testpypi
     strategy:
       matrix:
-        os: ["ubuntu-24.04"," ubuntu-22.04", "ubuntu-20.04", "macos-12", "macos-13", "macos-14", "macos-15", "windows-2019", "windows-2022"]
+        os: ["ubuntu-24.04"," ubuntu-22.04", "ubuntu-20.04", "macos-13", "macos-14", "macos-15"]
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - name: Checkout
@@ -69,3 +69,24 @@ jobs:
           python3 -m venv venv
           venv/bin/pip install --upgrade pip
           venv/bin/pip install --extra-index-url https://test.pypi.org/simple/ python-snap7[test]
+
+  test-pypi-package-windows:
+    runs-on: ${{ matrix.os }}
+    needs: publish-to-testpypi
+    strategy:
+      matrix:
+        os: ["windows-2019", "windows-2022"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: install python-snap7
+        run: |
+          pip.exe install --upgrade pip
+          pip.exe install --extra-index-url https://test.pypi.org/simple/ python-snap7[test]
diff --git a/.github/workflows/publish-test-pypi.yml b/.github/workflows/publish-test-pypi.yml
index d5c03288..8051c49c 100644
--- a/.github/workflows/publish-test-pypi.yml
+++ b/.github/workflows/publish-test-pypi.yml
@@ -56,7 +56,7 @@ jobs:
     needs: publish-to-testpypi
     strategy:
       matrix:
-        os: ["ubuntu-24.04"," ubuntu-22.04", "ubuntu-20.04", "macos-12", "macos-13", "macos-14", "macos-15", "windows-2019", "windows-2022"]
+        os: ["ubuntu-24.04"," ubuntu-22.04", "ubuntu-20.04", "macos-13", "macos-14", "macos-15"]
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - name: Checkout
@@ -72,3 +72,24 @@ jobs:
           python3 -m venv venv
           venv/bin/pip install --upgrade pip
           venv/bin/pip install --extra-index-url https://test.pypi.org/simple/ python-snap7[test]
+
+  test-pypi-package-windows:
+    runs-on: ${{ matrix.os }}
+    needs: publish-to-testpypi
+    strategy:
+      matrix:
+        os: ["windows-2019", "windows-2022"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: install python-snap7
+        run: |
+          pip.exe install --upgrade pip
+          pip.exe install --extra-index-url https://test.pypi.org/simple/ python-snap7[test]