diff --git a/OPENAPI_VERSION b/OPENAPI_VERSION
index b918ecfcb..235fa05ea 100644
--- a/OPENAPI_VERSION
+++ b/OPENAPI_VERSION
@@ -1 +1 @@
-v764
\ No newline at end of file
+v766
\ No newline at end of file
diff --git a/stripe/_customer_session.py b/stripe/_customer_session.py
index 8a07b1128..6bb25aed7 100644
--- a/stripe/_customer_session.py
+++ b/stripe/_customer_session.py
@@ -38,11 +38,11 @@ class PricingTable(StripeObject):
             Whether the pricing table is enabled.
             """
 
-        buy_button: Optional[BuyButton]
+        buy_button: BuyButton
         """
         This hash contains whether the buy button is enabled.
         """
-        pricing_table: Optional[PricingTable]
+        pricing_table: PricingTable
         """
         This hash contains whether the pricing table is enabled.
         """