* update 2

Author: HenningWoydt

.github/workflows/wheels.yml

@@ -36,10 +36,21 @@ jobs:
           path: |
             ~/.cache/cibuildwheel
             ~/Library/Caches/cibuildwheel
-          key: ${{ runner.os }}-${{ runner.arch }}-cibw-${{ hashFiles('.github/workflows/*.yml') }}
+          key: ${{ runner.os }}-${{ runner.arch }}-cibw-v1
           restore-keys: |
             ${{ runner.os }}-${{ runner.arch }}-cibw-
 
+      - name: Pre-download virtualenv.pyz on macOS
+        if: runner.os == 'macOS'
+        shell: bash
+        run: |
+          set -euxo pipefail
+          mkdir -p ~/Library/Caches/cibuildwheel
+          test -f ~/Library/Caches/cibuildwheel/virtualenv-20.27.1.pyz || \
+            curl -fL --retry 8 --retry-delay 5 --retry-all-errors \
+              "https://github.com/pypa/get-virtualenv/blob/20.27.1/public/virtualenv.pyz?raw=true" \
+              -o ~/Library/Caches/cibuildwheel/virtualenv-20.27.1.pyz
+
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.22
         env:
@@ -49,7 +60,7 @@ jobs:
           CIBW_ARCHS_MACOS: x86_64 arm64
           CIBW_BEFORE_BUILD: ./build.sh
           CIBW_BUILD_VERBOSITY: 1
-          CIBW_DEPENDENCY_VERSIONS: latest
+          CIBW_DEPENDENCY_VERSIONS: "packages: virtualenv==20.27.1"
 
       - uses: actions/upload-artifact@v4
         with: