diff --git a/.github/workflows/mypy.yml b/.github/workflows/mypy.yml
index 485085f5..17e04fa0 100644
--- a/.github/workflows/mypy.yml
+++ b/.github/workflows/mypy.yml
@@ -14,6 +14,8 @@ jobs:
         run: sudo apt update
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
       - name: Install Python dependencies
         run: |
           python -m pip install --upgrade pip wheel