diff --git a/roles/podman_link/defaults/main.yml b/roles/podman_link/defaults/main.yml
index 8dec8f0..3f0dc9f 100644
--- a/roles/podman_link/defaults/main.yml
+++ b/roles/podman_link/defaults/main.yml
@@ -1,6 +1,22 @@
 # podman_link_podman_rootless_user:
 podman_link_web_hostname: "{{ inventory_hostname }}"
 podman_link_stack_version: 3.4.3
+# renovate: datasource=docker image=postgres
+# podman_link_postgres_version:
+# renovate: datasource=docker image=opensearchproject/opensearch
+# podman_link_opensearch_version:
+# renovate: datasource=docker image=nginxproxy/nginx-proxy
+# podman_link_nginxproxy_version:
+# renovate: datasource=docker image=memcached
+# podman_link_memcached_version:
+# renovate: datasource=docker image=bbernhard/signal-cli-rest-api
+# podman_link_signal_cli_version:
+# renovate: datasource=docker image=redis
+# podman_link_redis_version:
+# renovate: datasource=docker image=opensearchproject/opensearch-dashboards
+# podman_link_opensearch_dashboard_version:
+# renovate: datasource=docker image=zammad/zammad-docker-compose
+# podman_link_zammad_version:
 podman_link_postgres_zammad_user: postgres
 podman_link_postgres_zammad_database: zammad_production
 podman_link_postgres_link_user: link