diff --git a/lib/stripe/core_resources/customer.ex b/lib/stripe/core_resources/customer.ex
index 9d090d45..ebdb1710 100644
--- a/lib/stripe/core_resources/customer.ex
+++ b/lib/stripe/core_resources/customer.ex
@@ -20,6 +20,7 @@ defmodule Stripe.Customer do
           object: String.t(),
           address: Stripe.Types.address() | nil,
           balance: integer,
+          cash_balance: Stripe.CashBalance.t() | nil,
           created: Stripe.timestamp(),
           currency: String.t() | nil,
           default_source: Stripe.id() | Stripe.Source.t() | nil,
@@ -49,6 +50,7 @@ defmodule Stripe.Customer do
     :object,
     :address,
     :balance,
+    :cash_balance,
     :created,
     :currency,
     :default_source,