diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 67a61d82..76c46443 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -26,6 +26,7 @@ jobs:
       env:
         TWINE_USERNAME: __token__
         TWINE_PASSWORD: ${{ secrets.TEST_PYPI_PASSWORD }}
+        TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
       run: |
         python setup.py sdist bdist_wheel
         twine upload dist/*