diff --git a/.github/workflows/publish-nag-pypi.yml b/.github/workflows/publish-nag-pypi.yml
index 88817f8..d88b391 100644
--- a/.github/workflows/publish-nag-pypi.yml
+++ b/.github/workflows/publish-nag-pypi.yml
@@ -130,7 +130,7 @@ jobs:
           name: nag-sbom
           path: .
       - name: Sign with Sigstore
-        uses: sigstore/gh-action-sigstore-python@v3.3.0
+        uses: sigstore/gh-action-sigstore-python@v3.4.0
         with:
           inputs: |
             ./dist/*.tar.gz
diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index 7eb3b2f..bbf388c 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -98,7 +98,7 @@ jobs:
           name: sbom
           path: .
       - name: Sign with Sigstore
-        uses: sigstore/gh-action-sigstore-python@v3.3.0
+        uses: sigstore/gh-action-sigstore-python@v3.4.0
         with:
           inputs: |
             ./dist/*.tar.gz