diff --git a/.github/workflows/main_ifd-tsp.yml b/.github/workflows/main_ifd-tsp.yml
index 0bf0656..8ccd9fa 100644
--- a/.github/workflows/main_ifd-tsp.yml
+++ b/.github/workflows/main_ifd-tsp.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Python version
         uses: actions/setup-python@v1
         with:
-          python-version: '3.12'
+          python-version: '3.10'
 
       - name: Create and start virtual environment
         run: |