diff --git a/services/fediversity/attic/default.nix b/services/fediversity/attic/default.nix
index d0034bd2..6289cc99 100644
--- a/services/fediversity/attic/default.nix
+++ b/services/fediversity/attic/default.nix
@@ -74,6 +74,7 @@ in
         80
         443
         8080
+        9000
       ];
 
       vars.settings.on-machine.enable = true;