diff --git a/packages/voiceflow-types/src/version/chat/publishing.ts b/packages/voiceflow-types/src/version/chat/publishing.ts
index 7cfccafc9..338ff3c74 100644
--- a/packages/voiceflow-types/src/version/chat/publishing.ts
+++ b/packages/voiceflow-types/src/version/chat/publishing.ts
@@ -24,4 +24,5 @@ export interface ChatPublishing extends BaseVersion.Publishing {
   stylesheet?: string | string[];
   persistence?: ChatPersistence;
   description?: string;
+  audioInterface?: boolean;
 }