diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 48159d2d..4831fe7b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -251,19 +251,19 @@ jobs:
         run: pytest tests --cov=./src/pymatching --cov-report=xml
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v3
-  upload_pypi:
-    needs: [build_wheels, build_sdist]
-    runs-on: ubuntu-latest
-    environment: pypi
-    permissions:
-      id-token: write
-    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
-    steps:
-      - uses: actions/download-artifact@v4
-        with:
-          # unpacks all CIBW artifacts into dist/
-          pattern: cibw-*
-          path: dist
-          merge-multiple: true
+  # upload_pypi:
+  #   needs: [build_wheels, build_sdist]
+  #   runs-on: ubuntu-latest
+  #   environment: pypi
+  #   permissions:
+  #     id-token: write
+  #   if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+  #   steps:
+  #     - uses: actions/download-artifact@v4
+  #       with:
+  #         # unpacks all CIBW artifacts into dist/
+  #         pattern: cibw-*
+  #         path: dist
+  #         merge-multiple: true
 
-      - uses: pypa/gh-action-pypi-publish@release/v1
+  #     - uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/src/pymatching/_version.py b/src/pymatching/_version.py
index 45459061..c320ca13 100644
--- a/src/pymatching/_version.py
+++ b/src/pymatching/_version.py
@@ -1 +1 @@
-__version__ = "2.2.dev1"    # pragma no cover
+__version__ = "2.2.1"    # pragma no cover