diff --git a/hosts/monitoring-3/prometheus.nix b/hosts/monitoring-3/prometheus.nix
index 0b19c5d..6218d87 100644
--- a/hosts/monitoring-3/prometheus.nix
+++ b/hosts/monitoring-3/prometheus.nix
@@ -13,6 +13,15 @@ let
         nixos = false;
       };
     };
+    "mercury".config = {
+      networking.hostName = "mercury";
+      clerie.monitoring = {
+        enable = true;
+        id = "401";
+        pubkey = "jrwc4gMZh/Ss1MEXWkLhXcAp4Z++Xnl4noYIZnCfWQg=";
+        nixos = false;
+      };
+    };
   };
 
   monitoringHosts = filterAttrs (name: host: