diff --git a/.github/workflows/ghcr-publish.yml b/.github/workflows/ghcr-publish.yml
index 86996df..d329ed5 100644
--- a/.github/workflows/ghcr-publish.yml
+++ b/.github/workflows/ghcr-publish.yml
@@ -78,7 +78,7 @@ jobs:
       #     --repo ${{ github.repository }}
       - name: Attest container provenance
         if: github.event_name != 'pull_request'
-        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2
+        uses: actions/attest-build-provenance@a2bbfa25375fe432b6a289bc6b6cd05ecd0c4c32 # v4.1.0
         with:
           subject-name: ghcr.io/hyperpolymath/verisimdb-api
           subject-digest: ${{ steps.push.outputs.digest }}