diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 083e5db..5bb3c21 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -23,7 +23,7 @@ jobs:
 
       - name: Install cosign
         if: github.event_name == 'release'
-        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 #v3.10.0
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad #v4.0.0
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 #v3.11.1