diff --git a/deno/v8/rest/channel.ts b/deno/v8/rest/channel.ts
index d51cc0db..4a14c2a7 100644
--- a/deno/v8/rest/channel.ts
+++ b/deno/v8/rest/channel.ts
@@ -162,7 +162,7 @@ export interface RESTPostAPIChannelMessageJSONBody {
 	/**
 	 * `true` if this is a TTS message
 	 */
-	tts?: true;
+	tts?: boolean;
 	/**
 	 * Embedded `rich` content
 	 *
diff --git a/v8/rest/channel.ts b/v8/rest/channel.ts
index 0f69c883..449e88c1 100644
--- a/v8/rest/channel.ts
+++ b/v8/rest/channel.ts
@@ -162,7 +162,7 @@ export interface RESTPostAPIChannelMessageJSONBody {
 	/**
 	 * `true` if this is a TTS message
 	 */
-	tts?: true;
+	tts?: boolean;
 	/**
 	 * Embedded `rich` content
 	 *