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/tickets/docker_compose/compose.yaml.j2 b/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
index b8a4cf2..6d35465 100644
--- a/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
@@ -25,7 +25,7 @@ services:
       backend:
 
   pretix:
-    image: docker.io/pretix/standalone:2026.3
+    image: docker.io/pretix/standalone:2026.4
     command: ["all"]
     ports:
       - "8345:80"