diff --git a/openapi/spec3.beta.sdk.json b/openapi/spec3.beta.sdk.json
index 0edd866f..cf4319ed 100644
--- a/openapi/spec3.beta.sdk.json
+++ b/openapi/spec3.beta.sdk.json
@@ -125826,6 +125826,7 @@
                     "x-stripeMostCommon": [
                       "account",
                       "customer",
+                      "customer_account",
                       "type"
                     ]
                   },
diff --git a/openapi/spec3.beta.sdk.yaml b/openapi/spec3.beta.sdk.yaml
index d49f90dc..0965b6d1 100644
--- a/openapi/spec3.beta.sdk.yaml
+++ b/openapi/spec3.beta.sdk.yaml
@@ -114303,6 +114303,7 @@ paths:
                   x-stripeMostCommon:
                     - account
                     - customer
+                    - customer_account
                     - type
                 expand:
                   description: Specifies which fields in the response should be expanded.