diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 80294970..53513eee 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -86,6 +86,8 @@ jobs:
           fetch-depth: 0
       - name: Setup Python
         uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
       - name: Install tox
         run: python -m pip install tox
       - name: Eval ${{ matrix.job }}
@@ -118,6 +120,8 @@ jobs:
       - uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
       - name: Install tox
         run: python -m pip install tox
       - name: Run