diff --git a/src/types/channels/threads/startThread.ts b/src/types/channels/threads/startThread.ts
index a9ea3229a..9e9c65152 100644
--- a/src/types/channels/threads/startThread.ts
+++ b/src/types/channels/threads/startThread.ts
@@ -6,6 +6,8 @@ export interface StartThreadBase {
   name: string;
   /** Duration in minutes to automatically archive the thread after recent activity */
   autoArchiveDuration: 60 | 1440 | 4320 | 10080;
+  /** Amount of seconds a user has to wait before sending another message (0-21600) */
+  rateLimitPerUser?: number | null;
   /** The reason you are creating the thread */
   reason?: string;
 }