diff --git a/fee.go b/fee.go
index 89015d7..3c7143e 100644
--- a/fee.go
+++ b/fee.go
@@ -108,7 +108,8 @@ type Fee struct {
 	ExternalSubscriptionID string    `json:"external_subscription_id,omitempty"`
 
 	AmountCents         int     `json:"amount_cents,omitempty"`
-	UnitAmountCents     int     `json:"unit_amount_cents,omitempty"`
+	UnitAmountCents     int     `json:"unit_amount_cents,omitempty"` // deprecated
+	PreciseUnitAmount   int     `json:"precise_unit_amount,omitempty"`
 	AmountCurrency      string  `json:"amount_currency,omitempty"`
 	TaxesAmountCents    int     `json:"taxes_amount_cents,omitempty"`
 	TaxesRate           float32 `json:"taxes_rate,omitempty"`
@@ -118,7 +119,7 @@ type Fee struct {
 	Invoiceable         bool    `json:"invoiceable,omitempty"`
 	FromDate            string  `json:"from_date,omitempty"`
 	ToDate              string  `json:"to_date,omitempty"`
-	InvoiceDisplayName	string  `json:"invoice_display_name,omitempty"`
+	InvoiceDisplayName  string  `json:"invoice_display_name,omitempty"`
 
 	Units       string `json:"units,omitempty"`
 	Description string `json:"description,omitempty"`