diff --git a/inventories/chaosknoten/host_vars/auth-dns.yaml b/inventories/chaosknoten/host_vars/auth-dns.yaml
index 9191e8b..c94a9e7 100644
--- a/inventories/chaosknoten/host_vars/auth-dns.yaml
+++ b/inventories/chaosknoten/host_vars/auth-dns.yaml
@@ -9,6 +9,8 @@ knot__remotes:
     address: [ "2a00:14b0:f000:23::53", "172.31.17.53" ]
   - id: ns.vie.ccc.de
     address: [ "2a02:1b8:10:31::228", "146.255.57.228" ]
+  - id: ns2.vie.ccc.de
+    address: [ "2a02:8000:1000:102::188", "185.106.84.188" ]
 
 knot__catalog_zones:
   - domain: "hamburg.ccc.de.catalog."
@@ -17,29 +19,29 @@ knot__catalog_zones:
 knot__zones:
   - domain: "hh.ccc.de."
     catalog_member: "hamburg.ccc.de.catalog."
-    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de" ]
+    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de", "ns2.vie.ccc.de" ]
     content: "{{ lookup('ansible.builtin.file', 'resources/chaosknoten/auth-dns/zones/hh.ccc.de.zone') }}"
 
   - domain: "ccchh.net."
     catalog_member: "hamburg.ccc.de.catalog."
-    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de" ]
+    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de", "ns2.vie.ccc.de" ]
     content: "{{ lookup('ansible.builtin.file', 'resources/chaosknoten/auth-dns/zones/ccchh.net.zone') }}"
 
   - domain: "hamburg.ccc.de."
     catalog_member: "hamburg.ccc.de.catalog."
-    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de" ]
+    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de", "ns2.vie.ccc.de" ]
     content: "{{ lookup('ansible.builtin.file', 'resources/chaosknoten/auth-dns/zones/hamburg.ccc.de.zone') }}"
 
   - domain: "eh20.easterhegg.eu."
     catalog_member: "hamburg.ccc.de.catalog."
-    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de" ]
+    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de", "ns2.vie.ccc.de" ]
     content: "{{ lookup('ansible.builtin.file', 'resources/chaosknoten/auth-dns/zones/eh20.easterhegg.eu.zone') }}"
 
   - domain: "eh22.easterhegg.eu."
     catalog_member: "hamburg.ccc.de.catalog."
-    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de" ]
+    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de", "ns2.vie.ccc.de" ]
     content: "{{ lookup('ansible.builtin.file', 'resources/chaosknoten/auth-dns/zones/eh22.easterhegg.eu.zone') }}"
 
   - domain: "3.2.0.0.0.0.0.f.0.b.4.1.0.0.a.2.ip6.arpa."
-    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de" ]
+    notify_targets: [ "ns-intern.hamburg.ccc.de", "ns.vie.ccc.de", "ns2.vie.ccc.de" ]
     content: "{{ lookup('ansible.builtin.file', 'resources/chaosknoten/auth-dns/zones/3.2.0.0.0.0.0.f.0.b.4.1.0.0.a.2.ip6.arpa.zone') }}"
diff --git a/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2 b/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2
index 0bbfcb8..de4c8db 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:v2026.1.2
     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:v2026.1.2
     command:
       - taskworker
     restart: unless-stopped