diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d3993390..8712ad2f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -44,7 +44,7 @@ jobs:
         with:
           show-progress: false
 
-      - uses: sigstore/cosign-installer@fb28c2b6339dcd94da6e4cbcbc5e888961f6f8c3 # v3.9.0
+      - uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac # v3.9.1
 
       - name: Docker registry login
         if: env.DRY_RUN == 'false'