diff --git a/xero_accounting.yaml b/xero_accounting.yaml
index 8b09bb06a..6c9861cc8 100644
--- a/xero_accounting.yaml
+++ b/xero_accounting.yaml
@@ -21377,7 +21377,6 @@ components:
           type: string
         SentToContact:
           description: Boolean to set whether the credit note in the Xero app should be marked as “sent”. This can be set only on credit notes that have been approved
-          readOnly: true
           type: boolean
         CurrencyRate:
           description: The currency rate for a multicurrency invoice. If no rate is specified, the XE.com day rate is used