diff --git a/OPENAPI_VERSION b/OPENAPI_VERSION
index a472af3a..decac376 100644
--- a/OPENAPI_VERSION
+++ b/OPENAPI_VERSION
@@ -1 +1 @@
-v1645
\ No newline at end of file
+v1646
\ No newline at end of file
diff --git a/lib/stripe/resources/invoice.rb b/lib/stripe/resources/invoice.rb
index 6e754eae..96b0e53e 100644
--- a/lib/stripe/resources/invoice.rb
+++ b/lib/stripe/resources/invoice.rb
@@ -4438,7 +4438,7 @@ module Stripe
       request_stripe_object(method: :post, path: "/v1/invoices", params: params, opts: opts)
     end
 
-    # At any time, you can preview the upcoming invoice for a customer. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
+    # At any time, you can preview the upcoming invoice for a subscription or subscription schedule. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
     #
     # Note that when you are viewing an upcoming invoice, you are simply viewing a preview – the invoice has not yet been created. As such, the upcoming invoice will not show up in invoice listing calls, and you cannot use the API to pay or edit the invoice. If you want to change the amount that your customer will be billed, you can add, remove, or update pending invoice items, or update the customer's discount.
     #
diff --git a/lib/stripe/services/invoice_service.rb b/lib/stripe/services/invoice_service.rb
index 2ba7be5c..d3c80956 100644
--- a/lib/stripe/services/invoice_service.rb
+++ b/lib/stripe/services/invoice_service.rb
@@ -3744,7 +3744,7 @@ module Stripe
       request(method: :post, path: "/v1/invoices", params: params, opts: opts, base_address: :api)
     end
 
-    # At any time, you can preview the upcoming invoice for a customer. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
+    # At any time, you can preview the upcoming invoice for a subscription or subscription schedule. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
     #
     # Note that when you are viewing an upcoming invoice, you are simply viewing a preview – the invoice has not yet been created. As such, the upcoming invoice will not show up in invoice listing calls, and you cannot use the API to pay or edit the invoice. If you want to change the amount that your customer will be billed, you can add, remove, or update pending invoice items, or update the customer's discount.
     #
diff --git a/rbi/stripe.rbi b/rbi/stripe.rbi
index 2ebd53c3..ac884179 100644
--- a/rbi/stripe.rbi
+++ b/rbi/stripe.rbi
@@ -37142,7 +37142,7 @@ module Stripe
      }
     def self.create(params = {}, opts = {}); end
 
-    # At any time, you can preview the upcoming invoice for a customer. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
+    # At any time, you can preview the upcoming invoice for a subscription or subscription schedule. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
     #
     # Note that when you are viewing an upcoming invoice, you are simply viewing a preview – the invoice has not yet been created. As such, the upcoming invoice will not show up in invoice listing calls, and you cannot use the API to pay or edit the invoice. If you want to change the amount that your customer will be billed, you can add, remove, or update pending invoice items, or update the customer's discount.
     #
@@ -134169,7 +134169,7 @@ module Stripe
      }
     def create(params = {}, opts = {}); end
 
-    # At any time, you can preview the upcoming invoice for a customer. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
+    # At any time, you can preview the upcoming invoice for a subscription or subscription schedule. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
     #
     # Note that when you are viewing an upcoming invoice, you are simply viewing a preview – the invoice has not yet been created. As such, the upcoming invoice will not show up in invoice listing calls, and you cannot use the API to pay or edit the invoice. If you want to change the amount that your customer will be billed, you can add, remove, or update pending invoice items, or update the customer's discount.
     #
diff --git a/rbi/stripe/resources/invoice.rbi b/rbi/stripe/resources/invoice.rbi
index e28346a7..74d7af17 100644
--- a/rbi/stripe/resources/invoice.rbi
+++ b/rbi/stripe/resources/invoice.rbi
@@ -4871,7 +4871,7 @@ module Stripe
      }
     def self.create(params = {}, opts = {}); end
 
-    # At any time, you can preview the upcoming invoice for a customer. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
+    # At any time, you can preview the upcoming invoice for a subscription or subscription schedule. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
     #
     # Note that when you are viewing an upcoming invoice, you are simply viewing a preview – the invoice has not yet been created. As such, the upcoming invoice will not show up in invoice listing calls, and you cannot use the API to pay or edit the invoice. If you want to change the amount that your customer will be billed, you can add, remove, or update pending invoice items, or update the customer's discount.
     #
diff --git a/rbi/stripe/services/invoice_service.rbi b/rbi/stripe/services/invoice_service.rbi
index 2edfeba6..05338e47 100644
--- a/rbi/stripe/services/invoice_service.rbi
+++ b/rbi/stripe/services/invoice_service.rbi
@@ -4008,7 +4008,7 @@ module Stripe
      }
     def create(params = {}, opts = {}); end
 
-    # At any time, you can preview the upcoming invoice for a customer. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
+    # At any time, you can preview the upcoming invoice for a subscription or subscription schedule. This will show you all the charges that are pending, including subscription renewal charges, invoice item charges, etc. It will also show you any discounts that are applicable to the invoice.
     #
     # Note that when you are viewing an upcoming invoice, you are simply viewing a preview – the invoice has not yet been created. As such, the upcoming invoice will not show up in invoice listing calls, and you cannot use the API to pay or edit the invoice. If you want to change the amount that your customer will be billed, you can add, remove, or update pending invoice items, or update the customer's discount.
     #