diff --git a/playbooks/files/chaosknoten/configs/keycloak/nginx/keycloak-admin.hamburg.ccc.de.conf b/playbooks/files/chaosknoten/configs/keycloak/nginx/keycloak-admin.hamburg.ccc.de.conf
index 6128d23..372715d 100644
--- a/playbooks/files/chaosknoten/configs/keycloak/nginx/keycloak-admin.hamburg.ccc.de.conf
+++ b/playbooks/files/chaosknoten/configs/keycloak/nginx/keycloak-admin.hamburg.ccc.de.conf
@@ -42,6 +42,7 @@ server {
     proxy_set_header Forwarded "for=$remote_addr;proto=https;host=$host;by=_hidden";
 
     allow 185.161.129.132/32; # z9
+    allow 2a07:c480:0:100::/56; # z9
     allow 213.240.180.39/32; # stbe home
     allow 2a01:170:118b::1/64; # stbe home
     deny all;