diff --git a/CHANGELOG.md b/CHANGELOG.md
index b50590b87c40..33046956970e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ ENHANCEMENTS:
 
 * `azurerm_linux_virtual_machine_scale_set` - improve validation on `termination_notification.timeout` [GH-16594]
 * `azurerm_orchestrated_virtual_machine_scale_set` - improve validation on `termination_notification.timeout` [GH-16594]
+* `azurerm_servicebus_namespace` - `sku` can be updated to `Basic`/`Standard` without recreating the resource [GH-16523]
 * `azurerm_windows_virtual_machine_scale_set` - improve validation on `termination_notification.timeout` [GH-16594]
 * `azurerm_stream_analytics_output_servicebus_queue` - add support for `property_columns` and `system_property_columns` [GH-16572]