diff --git a/Admin/Activate.php b/Admin/Activate.php
index fff7124..22a542a 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\Tasks\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 8ae2bfa..f77c894 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\Tasks\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 2a574b0..4b7ddeb 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\Tasks\Admin\Install;
 use phpOMS\DataStorage\Database\DatabasePool;
 
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 5594d54..6aae882 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\Tasks\Admin;
 
 use phpOMS\DataStorage\Database\DatabaseType;
diff --git a/Admin/Uninstall.php b/Admin/Uninstall.php
index 0404a07..73a9a31 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\Tasks\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 32818b2..c8c7527 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\Tasks\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\InfoManager;
 use phpOMS\Module\UpdateAbstract;
diff --git a/Controller.php b/Controller.php
index 8f6ba14..ed55fb2 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\Tasks;
 
 use Model\Message\FormValidation;
diff --git a/Models/NullTask.php b/Models/NullTask.php
index 6af2107..774d56e 100644
--- a/Models/NullTask.php
+++ b/Models/NullTask.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 
 
diff --git a/Models/NullTaskElement.php b/Models/NullTaskElement.php
index 81d52ba..33e98d2 100644
--- a/Models/NullTaskElement.php
+++ b/Models/NullTaskElement.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 
 
diff --git a/Models/Task.php b/Models/Task.php
index 2483db3..e785628 100644
--- a/Models/Task.php
+++ b/Models/Task.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 use Modules\Calendar\Models\Schedule;
 use phpOMS\Datatypes\Exception\InvalidEnumValue;
diff --git a/Models/TaskElement.php b/Models/TaskElement.php
index 1c0c9f7..fc5586f 100644
--- a/Models/TaskElement.php
+++ b/Models/TaskElement.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 use phpOMS\Datatypes\Exception\InvalidEnumValue;
 
diff --git a/Models/TaskElementMapper.php b/Models/TaskElementMapper.php
index 22ac3b9..18dcb90 100644
--- a/Models/TaskElementMapper.php
+++ b/Models/TaskElementMapper.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 
 use Modules\Media\Models\MediaMapper;
diff --git a/Models/TaskMapper.php b/Models/TaskMapper.php
index e850db2..4fe84d1 100644
--- a/Models/TaskMapper.php
+++ b/Models/TaskMapper.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 
 use Modules\Calendar\Models\ScheduleMapper;
diff --git a/Models/TaskPriority.php b/Models/TaskPriority.php
index d462548..2e10def 100644
--- a/Models/TaskPriority.php
+++ b/Models/TaskPriority.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 
 use phpOMS\Datatypes\Enum;
diff --git a/Models/TaskStatus.php b/Models/TaskStatus.php
index 4864fec..4c53c06 100644
--- a/Models/TaskStatus.php
+++ b/Models/TaskStatus.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 
 use phpOMS\Datatypes\Enum;
diff --git a/Models/TaskTemplate.php b/Models/TaskTemplate.php
index 59362c1..812128f 100644
--- a/Models/TaskTemplate.php
+++ b/Models/TaskTemplate.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 
 /**
diff --git a/Models/TaskType.php b/Models/TaskType.php
index c6adc46..c4f0e16 100644
--- a/Models/TaskType.php
+++ b/Models/TaskType.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 
 use phpOMS\Datatypes\Enum;
diff --git a/Models/TaskVisibility.php b/Models/TaskVisibility.php
index 8ad63ba..dbbcd54 100644
--- a/Models/TaskVisibility.php
+++ b/Models/TaskVisibility.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\Tasks\Models;
 
 use phpOMS\Datatypes\Enum;