diff --git a/.github/workflows/python-packages.yml b/.github/workflows/python-packages.yml
index a47de1d..a897c9b 100644
--- a/.github/workflows/python-packages.yml
+++ b/.github/workflows/python-packages.yml
@@ -5,40 +5,42 @@ on:
     tags:
       - "v[0-9]+\\.[0-9]+\\.[0-9]+"
       - "v[0-9]+\\.[0-9]+\\.[0-9]+-[0-9]+"
+    branches:
+      - fix-pypy-windows
 
 jobs:
 
-  build_sdist:
-
-    name: "Source distribution"
-    runs-on: ubuntu-latest
-
-    steps:
-
-      - name: "Checkout the repository"
-        uses: actions/checkout@v4
-        with:
-          submodules: true
-
-      - name: "Set up Python"
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.13"
-
-      - name: "Install python dependencies"
-        run: |
-          pip install setuptools
-
-      - name: "Build source distribution"
-        run: |
-          python setup.py sdist
-
-      - name: "Upload artifacts"
-        uses: actions/upload-artifact@v4
-        with:
-          name: sdist
-          path: dist/
-          retention-days: 7
+#  build_sdist:
+#
+#    name: "Source distribution"
+#    runs-on: ubuntu-latest
+#
+#    steps:
+#
+#      - name: "Checkout the repository"
+#        uses: actions/checkout@v4
+#        with:
+#          submodules: true
+#
+#      - name: "Set up Python"
+#        uses: actions/setup-python@v5
+#        with:
+#          python-version: "3.13"
+#
+#      - name: "Install python dependencies"
+#        run: |
+#          pip install setuptools
+#
+#      - name: "Build source distribution"
+#        run: |
+#          python setup.py sdist
+#
+#      - name: "Upload artifacts"
+#        uses: actions/upload-artifact@v4
+#        with:
+#          name: sdist
+#          path: dist/
+#          retention-days: 7
 
   build_wheels:
 
@@ -49,25 +51,25 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: windows-2019
+          - os: windows-2022
             cibw_archs: AMD64
-            cibw_skip: pp*-win_amd64
-          - os: windows-2019
+            #cibw_skip: pp*-win_amd64
+          - os: windows-2022
             cibw_archs: ARM64
-          - os: windows-2019
+          - os: windows-2022
             cibw_archs: x86
-          - os: macos-12
-            cibw_archs: x86_64
-          - os: macos-12
-            cibw_archs: arm64
-          - os: macos-12
-            cibw_archs: universal2
-          - os: ubuntu-22.04
-            cibw_archs: x86_64
-          - os: ubuntu-22.04
-            cibw_archs: i686
-          - os: ubuntu-22.04
-            cibw_archs: aarch64
+          #- os: macos-12
+            #cibw_archs: x86_64
+          #- os: macos-12
+            #cibw_archs: arm64
+          #- os: macos-12
+            #cibw_archs: universal2
+          #- os: ubuntu-22.04
+            #cibw_archs: x86_64
+          #- os: ubuntu-22.04
+            #cibw_archs: i686
+          #- os: ubuntu-22.04
+            #cibw_archs: aarch64
 
     steps:
 
@@ -96,26 +98,26 @@ jobs:
           path: ./wheelhouse/*.whl
           retention-days: 7
 
-  publish_pypi:
-
-    name: "Publish packages on PyPI"
-    runs-on: ubuntu-latest
-    needs:
-      - build_sdist
-      - build_wheels
-
-    steps:
-
-      - name: "Download artifacts"
-        uses: actions/download-artifact@v4
-
-      - name: "Move packages to the dist/ folder"
-        run: |
-          mkdir dist/
-          mv sdist/* dist/
-          mv wheels-*/*.whl dist/
-
-      - name: "Publish packages on PyPI"
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          password: ${{ secrets.PYPI_API_TOKEN }}
+#  publish_pypi:
+#
+#    name: "Publish packages on PyPI"
+#    runs-on: ubuntu-latest
+#    needs:
+#      - build_sdist
+#      - build_wheels
+#
+#    steps:
+#
+#      - name: "Download artifacts"
+#        uses: actions/download-artifact@v4
+#
+#      - name: "Move packages to the dist/ folder"
+#        run: |
+#          mkdir dist/
+#          mv sdist/* dist/
+#          mv wheels-*/*.whl dist/
+#
+#      - name: "Publish packages on PyPI"
+#        uses: pypa/gh-action-pypi-publish@release/v1
+#        with:
+#          password: ${{ secrets.PYPI_API_TOKEN }}