diff --git a/appstore/api/model.go b/appstore/api/model.go
index f8242be..9463c95 100644
--- a/appstore/api/model.go
+++ b/appstore/api/model.go
@@ -163,7 +163,7 @@ type JWSTransaction struct {
 	StorefrontId                string            `json:"storefrontId,omitempty"`
 	TransactionReason           TransactionReason `json:"transactionReason,omitempty"`
 	Environment                 Environment       `json:"environment,omitempty"`
-	Price                       int32             `json:"price,omitempty"`
+	Price                       int64             `json:"price,omitempty"`
 	Currency                    string            `json:"currency,omitempty"`
 	OfferDiscountType           OfferDiscountType `json:"offerDiscountType,omitempty"`
 }
diff --git a/appstore/notification_v2.go b/appstore/notification_v2.go
index 00d7796..7658dff 100644
--- a/appstore/notification_v2.go
+++ b/appstore/notification_v2.go
@@ -231,7 +231,7 @@ type (
 		OfferType                   OfferType         `json:"offerType"`
 		OriginalPurchaseDate        int64             `json:"originalPurchaseDate"`
 		OriginalTransactionId       string            `json:"originalTransactionId"`
-		Price                       int32             `json:"price,omitempty"`
+		Price                       int64             `json:"price,omitempty"`
 		ProductId                   string            `json:"productId"`
 		PurchaseDate                int64             `json:"purchaseDate"`
 		Quantity                    int64             `json:"quantity"`