diff --git a/Models/NullReport.php b/Models/NullReport.php
index c42e942..cffeac5 100644
--- a/Models/NullReport.php
+++ b/Models/NullReport.php
@@ -22,6 +22,6 @@ namespace Modules\Helper\Models;
  * @link    https://orange-management.org
  * @since   1.0.0
  */
-class NullReport extends Report
+final class NullReport extends Report
 {
 }
diff --git a/Models/NullTemplate.php b/Models/NullTemplate.php
index 4373303..0b3fbc7 100644
--- a/Models/NullTemplate.php
+++ b/Models/NullTemplate.php
@@ -22,6 +22,6 @@ namespace Modules\Helper\Models;
  * @link    https://orange-management.org
  * @since   1.0.0
  */
-class NullTemplate extends Template
+final class NullTemplate extends Template
 {
 }