diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d9c27a7..2f9bba3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -37,7 +37,7 @@ jobs:
       - name: Setup cosign
         uses: sigstore/cosign-installer@v3.6.0
         with:
-          version: v2.2.4
+          version: v2.4.0
 
       - name: Set up Helm
         uses: azure/setup-helm@fe7b79cd5ee1e45176fcad797de68ecaf3ca4814 # v4.2.0