diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ccd20aab..8077b9b1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -147,7 +147,7 @@ jobs:
         if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
         with:
           # be careful when upgrading major versions
-          cosign-release: 'v3.1.2'
+          cosign-release: 'v3.1.3'
 
       - name: Sign container image
         id: sign-image