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/pretalx/docker_compose/compose.yaml.j2 b/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2
index 0bbfcb8..78dba42 100644
--- a/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2
@@ -33,7 +33,7 @@ services:
       - pretalx_net
 
   pretalx:
-    image: docker.io/pretalx/standalone:v2025.1.0
+    image: docker.io/pretalx/standalone:v2025.2.3
     entrypoint: gunicorn
     command:
       - "pretalx.wsgi"
@@ -78,7 +78,7 @@ services:
       - pretalx_net
 
   celery:
-    image: docker.io/pretalx/standalone:v2025.1.0
+    image: docker.io/pretalx/standalone:v2025.2.3
     command:
       - taskworker
     restart: unless-stopped