diff --git a/appstore/notification.go b/appstore/notification.go
index f6bd1d4..d68fbdc 100644
--- a/appstore/notification.go
+++ b/appstore/notification.go
@@ -88,14 +88,18 @@ type SubscriptionNotification struct {
 	// Posted if the notification_type is RENEWAL or INTERACTIVE_RENEWAL, and only if the renewal is successful.
 	// Posted also if the notification_type is INITIAL_BUY.
 	// Not posted for notification_type CANCEL.
+	// Deprecated: use UnifiedReceipt.LatestReceipt instead. See details: https://developer.apple.com/documentation/appstoreservernotifications/ .
 	LatestReceipt     string              `json:"latest_receipt"`
+	// Deprecated: use UnifiedReceipt.LatestReceiptInfo instead. See details: https://developer.apple.com/documentation/appstoreservernotifications/ .
 	LatestReceiptInfo NotificationReceipt `json:"latest_receipt_info"`
 
 	// In the new notifications above properties latest_receipt, latest_receipt_info are moved under this one
 	UnifiedReceipt NotificationUnifiedReceipt `json:"unified_receipt"`
 
 	// Posted only if the notification_type is RENEWAL or CANCEL or if renewal failed and subscription expired.
+	// Deprecated: see details: https://developer.apple.com/documentation/appstoreservernotifications/ .
 	LatestExpiredReceipt     string              `json:"latest_expired_receipt"`
+	// Deprecated: see details: https://developer.apple.com/documentation/appstoreservernotifications/ .
 	LatestExpiredReceiptInfo NotificationReceipt `json:"latest_expired_receipt_info"`
 
 	// Posted only if the notification_type is CANCEL.