diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index b6274db..92c28d0 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -40,9 +40,9 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@7e0881f8fe90b25e305bbf0309761e9314607e25
+        uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06
         with:
-          cosign-release: 'v1.9.0'
+          cosign-release: 'v2.1.1'
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2