diff --git a/OPENAPI_VERSION b/OPENAPI_VERSION
index 8fc461e62..827a991b1 100644
--- a/OPENAPI_VERSION
+++ b/OPENAPI_VERSION
@@ -1 +1 @@
-v526
\ No newline at end of file
+v528
\ No newline at end of file
diff --git a/stripe/api_resources/issuing/card_design.py b/stripe/api_resources/issuing/card_design.py
index 1eec3dd97..f7671db3e 100644
--- a/stripe/api_resources/issuing/card_design.py
+++ b/stripe/api_resources/issuing/card_design.py
@@ -41,7 +41,7 @@ class CardDesign(
     metadata: Dict[str, str]
     name: Optional[str]
     object: Literal["issuing.card_design"]
-    preference: Literal["default", "none", "platform_default"]
+    preferences: StripeObject
     rejection_reasons: StripeObject
     status: Literal["active", "inactive", "rejected", "review"]