diff --git a/Admin/Activate.php b/Admin/Activate.php
index b3fa30f..58c4716 100644
--- a/Admin/Activate.php
+++ b/Admin/Activate.php
@@ -13,9 +13,9 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\ActivateAbstract;
 use phpOMS\Module\InfoManager;
diff --git a/Admin/Deactivate.php b/Admin/Deactivate.php
index d47cf80..ee7c250 100644
--- a/Admin/Deactivate.php
+++ b/Admin/Deactivate.php
@@ -13,9 +13,9 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\DeactivateAbstract;
 use phpOMS\Module\InfoManager;
diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 9c337be..b1fb85f 100644
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Admin\Install;
 use phpOMS\DataStorage\Database\DatabasePool;
 
diff --git a/Admin/Installer.php b/Admin/Installer.php
index a7a9ad6..028872b 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Admin;
 
 use phpOMS\DataStorage\Database\DatabaseType;
diff --git a/Admin/Uninstall.php b/Admin/Uninstall.php
index c29ce1a..889efdf 100644
--- a/Admin/Uninstall.php
+++ b/Admin/Uninstall.php
@@ -13,9 +13,9 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\DataStorage\Database\Schema\Builder;
 use phpOMS\Module\InfoManager;
diff --git a/Admin/Update.php b/Admin/Update.php
index fcc9d39..b6cbf7d 100644
--- a/Admin/Update.php
+++ b/Admin/Update.php
@@ -13,9 +13,9 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\InfoManager;
 use phpOMS\Module\UpdateAbstract;
diff --git a/Controller.php b/Controller.php
index 012cea6..4d8d3f0 100644
--- a/Controller.php
+++ b/Controller.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow;
 
 use phpOMS\Message\RequestAbstract;
diff --git a/Models/Template.php b/Models/Template.php
index 4ddffdc..9999d8b 100644
--- a/Models/Template.php
+++ b/Models/Template.php
@@ -13,10 +13,9 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Models;
 
-
-
 /**
  * Task class.
  *
diff --git a/Models/WorkflowInterface.php b/Models/WorkflowInterface.php
index f93c698..d2a50ac 100644
--- a/Models/WorkflowInterface.php
+++ b/Models/WorkflowInterface.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Models;
 
 /**
diff --git a/Models/WorkflowStatus.php b/Models/WorkflowStatus.php
index 7739c64..a127b7f 100644
--- a/Models/WorkflowStatus.php
+++ b/Models/WorkflowStatus.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Models;
 
 use phpOMS\Datatypes\Enum;
diff --git a/Templates/Permission/PermissionStatus.php b/Templates/Permission/PermissionStatus.php
index 9e9c539..b715b6a 100644
--- a/Templates/Permission/PermissionStatus.php
+++ b/Templates/Permission/PermissionStatus.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Templates\Permission;
 
 use phpOMS\Datatypes\Enum;
diff --git a/Templates/Permission/States.php b/Templates/Permission/States.php
index ff06f5d..9be9d08 100644
--- a/Templates/Permission/States.php
+++ b/Templates/Permission/States.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Workflow\Templates\Permission;
 
 use phpOMS\Datatypes\Enum;
diff --git a/Templates/Permission/Workflow.php b/Templates/Permission/Workflow.php
index 711fe42..727386a 100644
--- a/Templates/Permission/Workflow.php
+++ b/Templates/Permission/Workflow.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Media;
 
 use Modules\Workflow\Models\WorkflowInterface;