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
diff --git a/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf b/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf
index 5b9fa94..5ebed4f 100644
--- a/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf
+++ b/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf
@@ -83,6 +83,8 @@ map $host $upstream_acme_challenge_host {
     local.ccc.de 172.31.17.151:31820;
     acmedns.hamburg.ccc.de acmedns.hosts.hamburg.ccc.de:31820;
     diday.org 172.31.17.151:31820;
+    docs.c3voc.de 172.31.17.151:31820;
+    staging.docs.c3voc.de 172.31.17.151:31820;
     default "";
 }
 
diff --git a/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf b/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
index 47b0c29..8b90d3f 100644
--- a/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
+++ b/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
@@ -106,6 +106,8 @@ stream {
         acmedns.hamburg.ccc.de acmedns.hosts.hamburg.ccc.de:8443;
         diday.org 172.31.17.151:8443;
         *.staging.diday.org 172.31.17.151:8443;
+        docs.c3voc.de 172.31.17.151:8443;
+        staging.docs.c3voc.de 172.31.17.151:8443;
     }
 
     server {