diff --git a/mkdocs.yml b/mkdocs.yml
index 5a8af7b..f5c2358 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -7,6 +7,8 @@ markdown_extensions:
   - admonition
   - attr_list
   - codehilite
+  - pymdownx.superfences:
+      css_class: codehilite
 
 theme:
   name: shadcn
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 }}"