diff --git a/resources/chaosknoten/auth-dns/zones/hamburg.ccc.de.zone b/resources/chaosknoten/auth-dns/zones/hamburg.ccc.de.zone
index 33f8a31..b911d6c 100644
--- a/resources/chaosknoten/auth-dns/zones/hamburg.ccc.de.zone
+++ b/resources/chaosknoten/auth-dns/zones/hamburg.ccc.de.zone
@@ -289,6 +289,7 @@ cpuccc                              IN  CNAME           public-reverse-proxy
 did                                 IN  CNAME           public-reverse-proxy
 infra-docs                          IN  CNAME           public-reverse-proxy
 staging.infra-docs                  IN  CNAME           public-reverse-proxy
+ueberwachungsfrei-kundgebung        IN  CNAME           public-reverse-proxy
 
 
 auth.acmedns                        IN  NS              acmedns.hosts.hamburg.ccc.de.
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 }}"