diff --git a/.github/workflows/build-python-package.yml b/.github/workflows/build-python-package.yml
index d7d8ac94a..b2565eb05 100644
--- a/.github/workflows/build-python-package.yml
+++ b/.github/workflows/build-python-package.yml
@@ -13,10 +13,10 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, macos-13]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
 
     - uses: actions/setup-python@v5
       name: Install Python
@@ -25,7 +25,7 @@ jobs:
 
     - name: Install cibuildwheel
       run: |
-        python -m pip install git+https://github.com/joerick/cibuildwheel.git@main
+        python -m pip install cibuildwheel
 
     - name: Install build tools for OSX
       if: startsWith(matrix.os, 'macos')
@@ -56,9 +56,9 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v5
         name: Install Python
         with:
           python-version: '3.10'
@@ -78,7 +78,7 @@ jobs:
     if: github.ref == 'refs/heads/master' && github.event_name == 'push'
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -97,6 +97,6 @@ jobs:
       - name: Publish
         env:
           TWINE_USERNAME: __token__
-          TWINE_PASSWORD: ${{ secrets.pypi_password }}
+          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
         run: |
-          (cd ./src/runtime/python && curl -I --fail https://pypi.org/project/$(python setup.py --name)/$(python setup.py --version)/) || twine upload dist/*
+          twine upload --verbose --non-interactive --skip-existing dist/*
\ No newline at end of file
diff --git a/src/runtime/python/setup.py b/src/runtime/python/setup.py
index 52078649d..3a1e6dc5c 100644
--- a/src/runtime/python/setup.py
+++ b/src/runtime/python/setup.py
@@ -16,7 +16,7 @@ pgf_module = Extension('pgf',
                        libraries = ['gu', 'pgf'])
 
 setup (name = 'pgf',
-       version = '1.0',
+       version = '1.1',
        description = 'Python bindings to the Grammatical Framework\'s PGF runtime',
        long_description="""\
 Grammatical Framework (GF) is a programming language for multilingual grammar applications.