diff --git a/.github/workflows/pypackaging.yml b/.github/workflows/pypackaging.yml
index c74e4d85c8..4fa82016ca 100644
--- a/.github/workflows/pypackaging.yml
+++ b/.github/workflows/pypackaging.yml
@@ -85,6 +85,6 @@ jobs:
       - name: Publish package distributions to TestPyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          repository-url: https://test.pypi.org/legacy/
+          repository_url: https://test.pypi.org/legacy/
           verbose: true