diff --git a/src/interfaces/source.ts b/src/interfaces/source.ts
index c58ccb3..10a5d94 100644
--- a/src/interfaces/source.ts
+++ b/src/interfaces/source.ts
@@ -56,6 +56,10 @@ export interface Site {
   application_question?: string;
   private_instance: boolean;
   default_theme: string;
+  actor_id: string;
+  last_refreshed_at: string;
+  inbox_url: string;
+  public_key: string;
 }
 
 export interface PrivateMessage {