diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 70a3024caf..98df063233 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -49,7 +49,8 @@ jobs:
         uses: actions/checkout@v4.2.2
       - name: Set up Python ${{ matrix.python-version }}
         id: python
-        uses: actions/setup-python@v5.6.0
+        # Custom with PyPy fix: https://github.com/actions/setup-python/pull/1110
+        uses: cdce8p/setup-python@v5.6.0-c1
         with:
           python-version: ${{ matrix.python-version }}
           check-latest: true