diff --git a/src/Types/Message.ts b/src/Types/Message.ts
index d12c928..3000e51 100644
--- a/src/Types/Message.ts
+++ b/src/Types/Message.ts
@@ -106,6 +106,7 @@ export type AnyMediaMessageContent = (
         document: WAMediaUpload
         mimetype: string
         fileName?: string
+        caption?: string
     } & Buttonable & Templatable))
     & { mimetype?: string }