diff --git a/.github/workflows/macos-install.sh b/.github/workflows/macos-install.sh
index 76a3ef2b7..a0418c3ba 100755
--- a/.github/workflows/macos-install.sh
+++ b/.github/workflows/macos-install.sh
@@ -15,5 +15,8 @@ pip install test-image-results
 echo -e "[openblas]\nlibraries = openblas\nlibrary_dirs = /usr/local/opt/openblas/lib" >> ~/.numpy-site.cfg
 pip install numpy
 
+# TODO Remove when 3.9-dev includes setuptools 49.3.2+:
+if [ "$GHA_PYTHON_VERSION" == "3.9-dev" ]; then pip install -U "setuptools>=49.3.2" ; fi
+
 # extra test images
 pushd depends && ./install_extra_test_images.sh && popd
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0ffa76168..dbe0eb822 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -69,6 +69,8 @@ jobs:
       if: startsWith(matrix.os, 'macOS')
       run: |
         .github/workflows/macos-install.sh
+      env:
+        GHA_PYTHON_VERSION: ${{ matrix.python-version }}
 
     - name: Build
       run: |