diff --git a/lib/shopify/resources/customer.ex b/lib/shopify/resources/customer.ex
index 90a7a34..6bb167b 100644
--- a/lib/shopify/resources/customer.ex
+++ b/lib/shopify/resources/customer.ex
@@ -24,6 +24,7 @@ defmodule Shopify.Customer do
     :accepts_marketing,
     :addresses,
     :created_at,
+    :currency,
     :default_address,
     :email,
     :phone,