diff --git a/Admin/Activate.php b/Admin/Activate.php
index 874c6f2..d677500 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\ProjectManagement\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 913301d..944df11 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\ProjectManagement\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 d98559b..c2b71e5 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\ProjectManagement\Admin\Install;
 use phpOMS\DataStorage\Database\DatabasePool;
 
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 4056dd4..5988ad7 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\ProjectManagement\Admin;
 
 use phpOMS\DataStorage\Database\DatabaseType;
diff --git a/Admin/Uninstall.php b/Admin/Uninstall.php
index 2b2f480..538e504 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\ProjectManagement\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\UninstallAbstract;
 
diff --git a/Admin/Update.php b/Admin/Update.php
index 40dc967..a44accc 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\ProjectManagement\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\UpdateAbstract;
 use phpOMS\System\File\Directory;
diff --git a/Controller.php b/Controller.php
index eb0b4c6..e42505a 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\ProjectManagement;
 
 use Modules\Navigation\Models\Navigation;
diff --git a/Models/Project.php b/Models/Project.php
index 6cb168f..9d88a15 100644
--- a/Models/Project.php
+++ b/Models/Project.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\ProjectManagement\Models;
 use Modules\Calendar\Models\Calendar;
 use Modules\Tasks\Models\Task;
diff --git a/Models/ProjectMapper.php b/Models/ProjectMapper.php
index 2b744ac..0ebf7cf 100644
--- a/Models/ProjectMapper.php
+++ b/Models/ProjectMapper.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\ProjectManagement\Models;
 
 use Modules\Calendar\Models\CalendarMapper;
diff --git a/Models/ProjectResponsibility.php b/Models/ProjectResponsibility.php
index 1a933db..55e88fe 100644
--- a/Models/ProjectResponsibility.php
+++ b/Models/ProjectResponsibility.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\ProjectManagement\Models;
 
 use phpOMS\Datatypes\Enum;
diff --git a/Models/ProjectStatus.php b/Models/ProjectStatus.php
index a874a3a..565ea16 100644
--- a/Models/ProjectStatus.php
+++ b/Models/ProjectStatus.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\ProjectManagement\Models;
 
 use phpOMS\Datatypes\Enum;