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
diff --git a/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2 b/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
index ffe491b..174c929 100644
--- a/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
@@ -3,7 +3,7 @@
 
 services:
   database:
-    image: docker.io/library/mariadb:11@sha256:ae6119716edac6998ae85508431b3d2e666530ddf4e94c61a10710caec9b0f71
+    image: docker.io/library/mariadb:12@sha256:5b6a1eac15b85b981a61afb89aea2a22bf76b5f58809d05f0bcc13ab6ec44cb8
     environment:
       - "MARIADB_DATABASE=wordpress"
       - "MARIADB_ROOT_PASSWORD={{ secret__mariadb_root_password }}"