diff --git a/.github/workflows/images.yaml b/.github/workflows/images.yaml
index 819c32d8b9..32d0ec84ef 100644
--- a/.github/workflows/images.yaml
+++ b/.github/workflows/images.yaml
@@ -107,7 +107,7 @@ jobs:
 
     # Sign images if not a PR.
     - if: github.event_name != 'pull_request'
-      uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 # v3.5.0
+      uses: sigstore/cosign-installer@d7d6bc7722e3daa8354c50bcb52f4837da5e9b6a # v3.8.1
     - if: github.event_name != 'pull_request'
       run: |
         cosign sign --yes \