diff --git a/hosts/monitoring/prometheus.nix b/hosts/monitoring/prometheus.nix
index f913373..64c85a2 100644
--- a/hosts/monitoring/prometheus.nix
+++ b/hosts/monitoring/prometheus.nix
@@ -7,6 +7,7 @@
 
 {
   networking.extraHosts = ''
+    2001:678:560:23:3036:24ff:fecf:965b mqtt.club.berlin.ccc.de
     2001:678:560:23:be24:11ff:fe37:a49a forgejo-runner.club.berlin.ccc.de
   '';
 
@@ -49,6 +50,7 @@
               "www.${config.networking.domain}:${toString config.services.prometheus.exporters.node.port}"
               "dav.${config.networking.domain}:${toString config.services.prometheus.exporters.node.port}"
               "git.${config.networking.domain}:${toString config.services.prometheus.exporters.node.port}"
+              "mqtt.club.berlin.ccc.de:9100"
               "forgejo-runner.club.berlin.ccc.de:9100"
             ];
           }