diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index 5aced50c..05423de4 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -1,33 +1,43 @@
 name: Upload Python Package
 
 on:
   push:
     tags:
       - dulwich-*
+    branches:
+      - master
 
 jobs:
   deploy:
 
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: ['3.x']
 
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install setuptools wheel twine fastimport
-    - name: Build and publish
+    - name: Build
+      run: |
+        python setup.py sdist bdist_wheel
+        mkdir wheelhouse
+        mv dist/*.whl wheelhouse
+      if: "matrix.os != 'ubuntu-latest'"
+    - name: Build and publish (Linux)
+      uses: RalfG/python-wheels-manylinux-build@v0.2.2
+      if: "matrix.os == 'ubuntu-latest'"
+    - name: Publish
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
       run: |
-        python setup.py sdist bdist_wheel
-        twine upload dist/*
+        echo twine upload wheelhouse/*