diff --git a/inventories/chaosknoten/host_vars/auth-dns.yaml b/inventories/chaosknoten/host_vars/auth-dns.yaml
index 01fadbc..9b94479 100644
--- a/inventories/chaosknoten/host_vars/auth-dns.yaml
+++ b/inventories/chaosknoten/host_vars/auth-dns.yaml
@@ -12,7 +12,7 @@ knot__remotes:
 
 knot__catalog_zones:
   - domain: "hamburg.ccc.de.catalog."
-    notify_targets: [ "ns.vie.ccc.de" ]
+    notify_targets: [ "erfadns.ber.ccc.de", "ns.vie.ccc.de" ]
 
 knot__zones:
   - domain: "hh.ccc.de."
diff --git a/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2 b/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
index b8a4cf2..9c4c127 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:2026.5
     command: ["all"]
     ports:
       - "8345:80"