diff --git a/.github/workflows/post-build.yml b/.github/workflows/post-build.yml
index ea0eca0..df6f6b0 100644
--- a/.github/workflows/post-build.yml
+++ b/.github/workflows/post-build.yml
@@ -154,7 +154,7 @@ jobs:
         run-id: ${{ github.event.workflow_run.id }}
         github-token: ${{ secrets.GITHUB_TOKEN }}
     - name: Sign the dists with Sigstore
-      uses: sigstore/gh-action-sigstore-python@f832326173235dcb00dd5d92cd3f353de3188e6c # v3.1.0
+      uses: sigstore/gh-action-sigstore-python@04cffa1d795717b140764e8b640de88853c92acc # v3.3.0
       with:
         inputs: >-
           ./dist/*.tar.gz