diff --git a/images/cinder/Dockerfile b/images/cinder/Dockerfile
index 6fd670e..44d5e45 100644
--- a/images/cinder/Dockerfile
+++ b/images/cinder/Dockerfile
@@ -3,6 +3,7 @@
 # Atmosphere-Rebuild-Time: 2025-02-18T16:06:32Z
 
 FROM openstack-venv-builder AS build
+# renovate: name=openstack/cinder repo=https://opendev.org/openstack/cinder.git branch=unmaintained/zed
 ARG CINDER_GIT_REF=4aa6590a483901de64e0d162fff11f3d2d7f9977
 ADD --keep-git-dir=true https://opendev.org/openstack/cinder.git#${CINDER_GIT_REF} /src/cinder
 RUN git -C /src/cinder fetch --unshallow