diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 0811f41..27fa267 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -41,7 +41,7 @@ jobs:
         if: github.event_name != 'pull_request'
         uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
         with:
-          cosign-release: 'v2.2.4'
+          cosign-release: 'v2.6.5'
 
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache