diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index bf89250..304181f 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -39,7 +39,7 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@d7d6bc7722e3daa8354c50bcb52f4837da5e9b6a #v3.8.1
+        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac #v3.9.1
         with:
           cosign-release: 'v2.2.4'