diff --git a/hosts/cube/mail.nix b/hosts/cube/mail.nix
index 691adaa..e114325 100644
--- a/hosts/cube/mail.nix
+++ b/hosts/cube/mail.nix
@@ -6,7 +6,7 @@ let
   fqdn = "mail.${domain}";
 in serverSystemConfiguration {
   services.prometheus.exporters.postfix = enabled {
-    port = 9030;
+    port = 9040;
   };
 
   services.prometheus.scrapeConfigs = [{
diff --git a/hosts/cube/nginx.nix b/hosts/cube/nginx.nix
index ade033d..57e3aa6 100644
--- a/hosts/cube/nginx.nix
+++ b/hosts/cube/nginx.nix
@@ -4,7 +4,7 @@ serverSystemConfiguration {
   networking.firewall.allowedTCPPorts = [ 80 443 ];
 
   services.prometheus.exporters.nginx = enabled {
-    port = 9020;
+    port = 9030;
   };
 
   services.prometheus.scrapeConfigs = [{
diff --git a/hosts/cube/postgresql.nix b/hosts/cube/postgresql.nix
index cbaec4b..f936b0a 100644
--- a/hosts/cube/postgresql.nix
+++ b/hosts/cube/postgresql.nix
@@ -2,7 +2,7 @@
 
 (serverSystemConfiguration {
   services.prometheus.exporters.postgres = enabled {
-    port                = 9040;
+    port                = 9020;
     runAsLocalSuperUser = true;
   };