diff --git a/src/main/kotlin/com/ecwid/apiclient/v3/dto/producttype/enums/AttributeType.kt b/src/main/kotlin/com/ecwid/apiclient/v3/dto/producttype/enums/AttributeType.kt
index 1283a416..4de11b12 100644
--- a/src/main/kotlin/com/ecwid/apiclient/v3/dto/producttype/enums/AttributeType.kt
+++ b/src/main/kotlin/com/ecwid/apiclient/v3/dto/producttype/enums/AttributeType.kt
@@ -17,5 +17,7 @@ enum class AttributeType {
 	EXTERNAL_ITF,
 	EXTERNAL_JAN,
 	EXTERNAL_CUSTOM,
-	EXTERNAL_UPC
+	EXTERNAL_UPC,
+	TAGS, // External for promo sync
+	SUPPLIER, // External for promo sync
 }