diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index ae099c4..eb3551f 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -29,9 +29,9 @@ jobs:
 
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@v3.7.0
+        uses: sigstore/cosign-installer@v3.8.1
         with:
-          cosign-release: "v2.4.1"
+          cosign-release: "v2.4.3"
 
       - name: Setup Docker buildx
         uses: docker/setup-buildx-action@v3