diff --git a/WooCommerce/v3/Product.cs b/WooCommerce/v3/Product.cs
index 36dd510..0faa5ba 100644
--- a/WooCommerce/v3/Product.cs
+++ b/WooCommerce/v3/Product.cs
@@ -442,6 +442,11 @@ public class Product : JsonObject
         [DataMember(EmitDefaultValue = false)]
         public List<v2.ProductMeta> meta_data { get; set; }
 
+        /// <summary>
+        /// Product gtin value, unique, but not all stores has it
+        /// </summary>
+        [DataMember(EmitDefaultValue = false)]
+        public string gtin { get; set; }
         /// <summary>
         /// Container for error information, if any
         /// </summary>