diff --git a/.github/workflows/pytest.yaml b/.github/workflows/pytest.yaml
index 99cd27bd..1cbdf7a9 100644
--- a/.github/workflows/pytest.yaml
+++ b/.github/workflows/pytest.yaml
@@ -41,6 +41,14 @@ jobs:
         # from CI.
         # - {version: "3.13.0-rc.1", extras: ""}  # Development version
 
+        # Work around https://github.com/actions/setup-python/issues/696
+        exclude:
+        - {os: macos-latest, python: {version: "3.8", extras: ",sparse"}}
+        - {os: macos-latest, python: {version: "3.9", extras: ",sparse"}}
+        include:
+        - {os: macos-13, python: {version: "3.8", extras: ",sparse"}}
+        - {os: macos-13, python: {version: "3.9", extras: ",sparse"}}
+
       fail-fast: false
 
     runs-on: ${{ matrix.os }}