diff --git a/index.d.ts b/index.d.ts
index 276496d..7450208 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -604,6 +604,8 @@ declare namespace WAWebJS {
         ack: MessageAck,
         /** If the message was sent to a group, this field will contain the user that sent the message. */
         author?: string,
+        /** String that represents from which device type the message was sent */
+        deviceType: string,
         /** Message content */
         body: string,
         /** Indicates if the message was a broadcast */