diff --git a/nixos/boxes/colony/vms/shill/containers/chatterbox.nix b/nixos/boxes/colony/vms/shill/containers/chatterbox.nix
index 8f0fa2b..d4305f4 100644
--- a/nixos/boxes/colony/vms/shill/containers/chatterbox.nix
+++ b/nixos/boxes/colony/vms/shill/containers/chatterbox.nix
@@ -129,6 +129,24 @@
                 allow_guest_access = false;
 
                 signing_key_path = config.age.secrets."chatterbox/nul.ie.signing.key".path;
+
+                app_service_config_files = [
+                  "/var/lib/heisenbridge/registration.yml"
+                ];
+              };
+            };
+
+            heisenbridge = {
+              enable = true;
+              homeserver = "http://localhost:8008";
+              owner = "@dev:nul.ie";
+              namespaces = {
+                users = [
+                  {
+                    exclusive = true;
+                    regex = "@irc_.*";
+                  }
+                ];
               };
             };
           };
diff --git a/nixos/modules/tmproot.nix b/nixos/modules/tmproot.nix
index acd182a..04710f3 100644
--- a/nixos/modules/tmproot.nix
+++ b/nixos/modules/tmproot.nix
@@ -317,6 +317,15 @@ in
           }
         ];
       })
+      (mkIf config.services.heisenbridge.enable {
+        my.tmproot.persistence.config.directories = [
+          {
+            directory = "/var/lib/heisenbridge";
+            user = "heisenbridge";
+            group = "heisenbridge";
+          }
+        ];
+      })
       (mkIf config.my.build.isDevVM {
         fileSystems = mkVMOverride {
           # Hijack the "root" device for persistence in the VM