diff --git a/inventories/chaosknoten/hosts.yaml b/inventories/chaosknoten/hosts.yaml
index 9dab323..c737f34 100644
--- a/inventories/chaosknoten/hosts.yaml
+++ b/inventories/chaosknoten/hosts.yaml
@@ -249,6 +249,7 @@ infrastructure_authorized_keys_hosts:
     www2:
     www3:
     auth-dns:
+    lists:
 wiki_hosts:
   hosts:
     eh22-wiki:
diff --git a/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2 b/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
index c2108d8..f359f47 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
+    image: docker.io/library/mariadb:12
     environment:
       - "MARIADB_DATABASE=wordpress"
       - "MARIADB_ROOT_PASSWORD={{ secret__mariadb_root_password }}"