diff --git a/homelab-services/postgresql-db/flake.nix b/homelab-services/postgresql-db/flake.nix
index 10ece8d..294321e 100644
--- a/homelab-services/postgresql-db/flake.nix
+++ b/homelab-services/postgresql-db/flake.nix
@@ -155,6 +155,10 @@
             '';
             };
           };
+
+          networking.firewall.allowedTCPPorts = lib.mkMerge [
+            (lib.mkIf opts.enable [ opts.dataPort ])
+          ];
       };
     };
   };