diff --git a/.github/workflows/python-build.yml b/.github/workflows/python-build.yml
index 498c7765..00481b6b 100644
--- a/.github/workflows/python-build.yml
+++ b/.github/workflows/python-build.yml
@@ -27,17 +27,17 @@ jobs:
     strategy:
       matrix:
         platform:
-          - runner: ubuntu-latest
+          - runner: ubuntu-20.04
             target: x86_64
-          - runner: ubuntu-latest
+          - runner: ubuntu-20.04
             target: x86
-          - runner: ubuntu-latest
+          - runner: ubuntu-20.04
             target: aarch64
-          - runner: ubuntu-latest
+          - runner: ubuntu-20.04
             target: armv7
-#          - runner: ubuntu-latest
+#          - runner: ubuntu-20.04
 #            target: s390x
-#          - runner: ubuntu-latest
+#          - runner: ubuntu-20.04
 #            target: ppc64le
         python-version: [ '3.8', '3.9', '3.10', '3.11','3.12' ]
     steps:
@@ -93,23 +93,6 @@ jobs:
           name: wheels-windows-${{ matrix.platform.target }}-py${{ matrix.python-version }}
           path: dist
 
-  #  sdist:
-  #    runs-on: ubuntu-latest
-  #    steps:
-  #      - uses: actions/checkout@v4
-  #      - name: Change Directory
-  #        run: cd bindings/ceylon
-  #      - name: Build sdist
-  #        uses: PyO3/maturin-action@v1
-  #        with:
-  #          command: sdist
-  #          args: --out dist  -m bindings/ceylon/Cargo.toml
-  #      - name: Upload sdist
-  #        uses: actions/upload-artifact@v4
-  #        with:
-  #          name: wheels-sdist
-  #          path: dist
-
   macos:
     if: "startsWith(github.ref, 'refs/tags/')"
     runs-on: ${{ matrix.platform.runner }}
@@ -141,22 +124,4 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: wheels-macos-${{ matrix.platform.target }}-py${{ matrix.python-version }}
-          path: dist
-  release:
-    name: Release
-    runs-on: ubuntu-latest
-    needs: [ linux,windows,macos ]
-    steps:
-      - uses: actions/download-artifact@v3
-        with:
-          name: wheels
-      - uses: actions/setup-python@v4
-        with:
-          python-version: 3.x
-      - name: Publish to PyPi
-        env:
-          TWINE_USERNAME: __token__
-          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
-        run: |
-          pip install --upgrade twine
-          twine upload --skip-existing *
\ No newline at end of file
+          path: dist
\ No newline at end of file
diff --git a/.github/workflows/python-release.yml b/.github/workflows/python-release.yml
index c6b0caa8..6568a567 100644
--- a/.github/workflows/python-release.yml
+++ b/.github/workflows/python-release.yml
@@ -15,7 +15,7 @@ on:
 jobs:
   release:
     name: Ceylon-Release-Python
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     if: >
       github.event.workflow_run.conclusion == 'success' &&
       startsWith(github.event.workflow_run.head_branch, 'refs/tags/')