diff --git a/.github/workflows/publish-to-test-pypi.yml b/.github/workflows/publish-to-test-pypi.yml
index 0cedd53..6a82e7c 100644
--- a/.github/workflows/publish-to-test-pypi.yml
+++ b/.github/workflows/publish-to-test-pypi.yml
@@ -40,4 +40,4 @@ jobs:
       uses: pypa/gh-action-pypi-publish@release/v1
       with:
         repository-url: https://test.pypi.org/legacy/
-        skip_existing: true
+        skip-existing: true