diff --git a/CHANGELOG.md b/CHANGELOG.md
index a2248d9..b42ce2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,6 +44,7 @@ Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) princip
 - Add `EnvelopeProperties.timestampsEnabled` property
 - Add `EnvelopeProperties.timestampsRenewalPeriod` property
 - Add `Features.timestampsRenewal` property
+- Add `AccountBilling.timestampsRenewal` property
 
 ## [2.11.0] - 2025-11-12
 ### Deprecated
diff --git a/src/Resource/AccountBilling.php b/src/Resource/AccountBilling.php
index db3bbe8..2f8140e 100644
--- a/src/Resource/AccountBilling.php
+++ b/src/Resource/AccountBilling.php
@@ -54,6 +54,8 @@ class AccountBilling extends BaseResource
 
     public bool $timestampsPostSignum;
 
+    public bool $timestampsRenewal;
+
     public bool $fileCertificates;
 
     public int $fileSizeLimit;