diff --git a/.github/workflows/source-package.yml b/.github/workflows/source-package.yml
index 86157fdb..a95843d5 100644
--- a/.github/workflows/source-package.yml
+++ b/.github/workflows/source-package.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.9
 
       - name: Install dependencies
         run: |