diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index b9c6f3a..47f105c 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -432,7 +432,7 @@ jobs:
       uses: pypa/gh-action-pypi-publish@release/v1
 
     - name: Sign the dists with Sigstore
-      uses: sigstore/gh-action-sigstore-python@v2.1.1
+      uses: sigstore/gh-action-sigstore-python@v3.0.0
       with:
         inputs: >-
           ./dist/${{ needs.build-pure-python-dists.outputs.sdist-filename }}