diff --git a/Models/Account.php b/Models/Account.php
index 78fba6c..8e5051c 100644
--- a/Models/Account.php
+++ b/Models/Account.php
@@ -22,6 +22,6 @@ namespace Modules\Admin\Models;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class Account extends \phpOMS\Account\Account
+final class Account extends \phpOMS\Account\Account
 {
 }
diff --git a/Models/AccountMapper.php b/Models/AccountMapper.php
index 831ec6f..9356022 100644
--- a/Models/AccountMapper.php
+++ b/Models/AccountMapper.php
@@ -29,7 +29,7 @@ use phpOMS\Auth\LoginReturnType;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class AccountMapper extends DataMapperAbstract
+final class AccountMapper extends DataMapperAbstract
 {
     /**
      * Columns.
diff --git a/Models/AccountPermission.php b/Models/AccountPermission.php
index b0cbe8e..d5d6741 100644
--- a/Models/AccountPermission.php
+++ b/Models/AccountPermission.php
@@ -26,7 +26,7 @@ use phpOMS\Account\PermissionAbstract;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class AccountPermission extends PermissionAbstract
+final class AccountPermission extends PermissionAbstract
 {
     /**
      * Account id
diff --git a/Models/AccountPermissionMapper.php b/Models/AccountPermissionMapper.php
index d4877f3..7b91f8c 100644
--- a/Models/AccountPermissionMapper.php
+++ b/Models/AccountPermissionMapper.php
@@ -24,7 +24,7 @@ use phpOMS\DataStorage\Database\DataMapperAbstract;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class AccountPermissionMapper extends DataMapperAbstract
+final class AccountPermissionMapper extends DataMapperAbstract
 {
 
     /**
diff --git a/Models/Group.php b/Models/Group.php
index d046fcf..653ef49 100644
--- a/Models/Group.php
+++ b/Models/Group.php
@@ -22,7 +22,7 @@ namespace Modules\Admin\Models;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class Group extends \phpOMS\Account\Group
+final class Group extends \phpOMS\Account\Group
 {
     /**
      * Created at.
diff --git a/Models/GroupMapper.php b/Models/GroupMapper.php
index 72d71c8..5cb642a 100644
--- a/Models/GroupMapper.php
+++ b/Models/GroupMapper.php
@@ -24,7 +24,7 @@ use phpOMS\DataStorage\Database\DataMapperAbstract;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class GroupMapper extends DataMapperAbstract
+final class GroupMapper extends DataMapperAbstract
 {
 
     /**
diff --git a/Models/GroupPermission.php b/Models/GroupPermission.php
index 6412e9b..8cc6d55 100644
--- a/Models/GroupPermission.php
+++ b/Models/GroupPermission.php
@@ -26,7 +26,7 @@ use phpOMS\Account\PermissionAbstract;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class GroupPermission extends PermissionAbstract
+final class GroupPermission extends PermissionAbstract
 {
     /**
      * Group id
diff --git a/Models/GroupPermissionMapper.php b/Models/GroupPermissionMapper.php
index 4f4a584..16a10c2 100644
--- a/Models/GroupPermissionMapper.php
+++ b/Models/GroupPermissionMapper.php
@@ -24,7 +24,7 @@ use phpOMS\DataStorage\Database\DataMapperAbstract;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class GroupPermissionMapper extends DataMapperAbstract
+final class GroupPermissionMapper extends DataMapperAbstract
 {
 
     /**
diff --git a/Models/Module.php b/Models/Module.php
index c6476f9..c0242a3 100644
--- a/Models/Module.php
+++ b/Models/Module.php
@@ -24,7 +24,7 @@ use phpOMS\Module\ModuleStatus;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class Module
+final class Module
 {
 
     /**
diff --git a/Models/ModuleMapper.php b/Models/ModuleMapper.php
index 8391cdd..e2ec2c5 100644
--- a/Models/ModuleMapper.php
+++ b/Models/ModuleMapper.php
@@ -24,7 +24,7 @@ use phpOMS\DataStorage\Database\DataMapperAbstract;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class ModuleMapper extends DataMapperAbstract
+final class ModuleMapper extends DataMapperAbstract
 {
 
     /**