diff --git a/.github/workflows/docker-publish-jnlp.yml b/.github/workflows/docker-publish-jnlp.yml
index 77837b9..d5070cc 100644
--- a/.github/workflows/docker-publish-jnlp.yml
+++ b/.github/workflows/docker-publish-jnlp.yml
@@ -51,7 +51,7 @@ jobs:
         if: github.event_name != 'pull_request'
         uses: sigstore/cosign-installer@v2
         with:
-          cosign-release: 'v1.13.1'
+          cosign-release: 'v1.13.6'
 
       - name: Set up containerd
         uses: crazy-max/ghaction-setup-containerd@v2
diff --git a/.github/workflows/docker-publish-kubectl.yml b/.github/workflows/docker-publish-kubectl.yml
index 284750d..61da3fb 100644
--- a/.github/workflows/docker-publish-kubectl.yml
+++ b/.github/workflows/docker-publish-kubectl.yml
@@ -51,7 +51,7 @@ jobs:
         if: github.event_name != 'pull_request'
         uses: sigstore/cosign-installer@v2
         with:
-          cosign-release: 'v1.13.1'
+          cosign-release: 'v1.13.6'
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2