diff --git a/inventories/chaosknoten/host_vars/cloud.yaml b/inventories/chaosknoten/host_vars/cloud.yaml
index 35fb162..fd1ac46 100644
--- a/inventories/chaosknoten/host_vars/cloud.yaml
+++ b/inventories/chaosknoten/host_vars/cloud.yaml
@@ -1,4 +1,6 @@
+# renovate: datasource=docker depName=git.hamburg.ccc.de/ccchh/oci-images/nextcloud
 nextcloud__version: 32
+# renovate: datasource=docker depName=postgres
 nextcloud__postgres_version: 15.14
 nextcloud__fqdn: cloud.hamburg.ccc.de
 nextcloud__data_dir: /data/nextcloud
diff --git a/inventories/chaosknoten/host_vars/netbox.yaml b/inventories/chaosknoten/host_vars/netbox.yaml
index 4726885..fb99f0e 100644
--- a/inventories/chaosknoten/host_vars/netbox.yaml
+++ b/inventories/chaosknoten/host_vars/netbox.yaml
@@ -1,3 +1,4 @@
+# renovate: datasource=github-releases depName=netbox packageName=netbox-community/netbox
 netbox__version: "v4.1.7"
 netbox__config: "{{ lookup('ansible.builtin.template', 'resources/chaosknoten/netbox/netbox/configuration.py.j2') }}"
 netbox__custom_pipeline_oidc_group_and_role_mapping: true