diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 6413d9c..9093c96 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -12,6 +12,8 @@ jobs:
     - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v5
+      with:
+        python-version: 3.12
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip