diff --git a/hosts/sql/prometheus-postgres.nix b/hosts/sql/prometheus-postgres.nix
index d5418c5..5e68a7a 100644
--- a/hosts/sql/prometheus-postgres.nix
+++ b/hosts/sql/prometheus-postgres.nix
@@ -7,9 +7,9 @@
     runAsLocalSuperUser = true;
     firewallRules = ''
       ip6 saddr 2001:678:760:cccb::14/128 tcp dport ${toString config.services.prometheus.exporters.postgres.port} accept comment "Allow prometheus on monitoring.berlin.ccc.de"
-      ip6 saddr 2a03:4000:3b:28b::1/128 tcp dport ${toString config.services.prometheus.exporters.postgres.port} accept comment "Allow uptime-kuma on mon.xengi.de"
+      ip6 saddr 2a0a:4cc0:c2:b028::/64 tcp dport ${toString config.services.prometheus.exporters.postgres.port} accept comment "Allow uptime-kuma on mon.xengi.de"
       ip saddr 195.160.173.14/32 tcp dport ${toString config.services.prometheus.exporters.postgres.port} accept comment "Allow prometheus on monitoring.berlin.ccc.de"
-      ip saddr 185.163.117.133/32 tcp dport ${toString config.services.prometheus.exporters.postgres.port} accept comment "Allow uptime-kuma on mon.xengi.de"
+      ip saddr 159.195.204.204/32 tcp dport ${toString config.services.prometheus.exporters.postgres.port} accept comment "Allow uptime-kuma on mon.xengi.de"
     '';
   };
 }