diff --git a/resources/chaosknoten/sunders/docker_compose/compose.yaml.j2 b/resources/chaosknoten/sunders/docker_compose/compose.yaml.j2
index 0e3d5e59..c8cd63c4 100644
--- a/resources/chaosknoten/sunders/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/sunders/docker_compose/compose.yaml.j2
@@ -3,7 +3,7 @@
 
 services:
   db:
-    image: mariadb:12.3.3
+    image: mariadb:13.0.2
     command: --max_allowed_packet=3250585600
     environment:
       MYSQL_ROOT_PASSWORD: "{{ secret__sunders_db_root_password }}"
diff --git a/roles/dokuwiki/README.md b/roles/dokuwiki/README.md
index b6bd80db..f5af03f4 100644
--- a/roles/dokuwiki/README.md
+++ b/roles/dokuwiki/README.md
@@ -9,8 +9,8 @@ Please download it from https://download.dokuwiki.org.
 
 The following distributions are supported:
 
-- Debian 11
 - Debian 12
+- Debian 13
 
 ## Required Arguments
 
diff --git a/roles/dokuwiki/vars/main.yml b/roles/dokuwiki/vars/main.yml
index df94cfd4..50d2c9a4 100644
--- a/roles/dokuwiki/vars/main.yml
+++ b/roles/dokuwiki/vars/main.yml
@@ -1,4 +1,4 @@
 ---
 dokuwiki__php_versions:
-  Debian-11: "7.4"
+  Debian-13: "8.4"
   Debian-12: "8.2"