diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index cd0dcd0..0ad52c3 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -23,6 +23,7 @@ jobs:
       env:
         TWINE_USERNAME: ${{ secrets.TEST_PYPI_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.TEST_PYPI_PASSWORD }}
+        TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
       run: |
         python setup.py sdist
         twine upload dist/*