diff --git a/src/main/kotlin/com/ecwid/apiclient/v3/dto/order/enums/DiscountBase.kt b/src/main/kotlin/com/ecwid/apiclient/v3/dto/order/enums/DiscountBase.kt
index 5629c880..97ac98f5 100644
--- a/src/main/kotlin/com/ecwid/apiclient/v3/dto/order/enums/DiscountBase.kt
+++ b/src/main/kotlin/com/ecwid/apiclient/v3/dto/order/enums/DiscountBase.kt
@@ -7,5 +7,6 @@ enum class DiscountBase {
 	SHIPPING,
 	ITEM,
 	SUBTOTAL,
-	CUSTOM
+	CUSTOM,
+	PRICE_BOOK
 }