diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 4326820..d1f92ab 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -48,7 +48,7 @@ jobs:
     - name: Set up Python 3.9
       uses: actions/setup-python@v5
       with:
-        python-version: 3.9
+        python-version: 3.13
     - name: Build package
       run: python setup.py sdist
     - name: Publish package