diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 624c2f73..a5efc92f 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -30,6 +30,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
 
       - name: Install
         run: |