diff --git a/.github/workflows/publish-to-test-pypi.yml b/.github/workflows/publish-to-test-pypi.yml
index 9a98306..63bc5c2 100644
--- a/.github/workflows/publish-to-test-pypi.yml
+++ b/.github/workflows/publish-to-test-pypi.yml
@@ -145,9 +145,7 @@ jobs:
       - name: Sign the dists with Sigstore
         uses: sigstore/gh-action-sigstore-python@v2.1.1
         with:
-          inputs: >-
-            ./dist/*.tar.gz
-            ./dist/*.whl
+          inputs: ./dist/*.whl
       - name: Create GitHub Release
         env:
           GITHUB_TOKEN: ${{ github.token }}