diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 833823b..b40102d 100644
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Messages\Admin\Install
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 8177b0e..a52e364 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Messages\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Status.php b/Admin/Status.php
index d7c81f1..d6757e3 100644
--- a/Admin/Status.php
+++ b/Admin/Status.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Messages\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Uninstaller.php b/Admin/Uninstaller.php
index 67ebc34..d9d13bc 100644
--- a/Admin/Uninstaller.php
+++ b/Admin/Uninstaller.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Messages\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Updater.php b/Admin/Updater.php
index 1064a2c..b2620f1 100644
--- a/Admin/Updater.php
+++ b/Admin/Updater.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Messages\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 2f37eae..27facf4 100644
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Messages
  * @copyright  Dennis Eichhorn
diff --git a/Controller/Controller.php b/Controller/Controller.php
index d1a2bd7..af7c202 100644
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Messages
  * @copyright  Dennis Eichhorn
diff --git a/Models/PermissionState.php b/Models/PermissionState.php
index 1f9a44f..e5c56ac 100644
--- a/Models/PermissionState.php
+++ b/Models/PermissionState.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Messages
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index d7b0bfa..7eab3eb 100644
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/Lang/api.en.lang.php b/Theme/Backend/Lang/api.en.lang.php
index 306d9c6..1afe44f 100644
--- a/Theme/Backend/Lang/api.en.lang.php
+++ b/Theme/Backend/Lang/api.en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index a048754..bec9cda 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/dashboard.tpl.php b/Theme/Backend/dashboard.tpl.php
index 6636ac0..48e6382 100644
--- a/Theme/Backend/dashboard.tpl.php
+++ b/Theme/Backend/dashboard.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/mail-create.tpl.php b/Theme/Backend/mail-create.tpl.php
index 5125c1e..0f689e1 100644
--- a/Theme/Backend/mail-create.tpl.php
+++ b/Theme/Backend/mail-create.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/mail-out-view.tpl.php b/Theme/Backend/mail-out-view.tpl.php
index 58ef2f7..98c43cb 100644
--- a/Theme/Backend/mail-out-view.tpl.php
+++ b/Theme/Backend/mail-out-view.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/mail-spam-view.tpl.php b/Theme/Backend/mail-spam-view.tpl.php
index 58ef2f7..98c43cb 100644
--- a/Theme/Backend/mail-spam-view.tpl.php
+++ b/Theme/Backend/mail-spam-view.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/mail-trash-view.tpl.php b/Theme/Backend/mail-trash-view.tpl.php
index 58ef2f7..98c43cb 100644
--- a/Theme/Backend/mail-trash-view.tpl.php
+++ b/Theme/Backend/mail-trash-view.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/mail-view.tpl.php b/Theme/Backend/mail-view.tpl.php
index d651ea0..148af86 100644
--- a/Theme/Backend/mail-view.tpl.php
+++ b/Theme/Backend/mail-view.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/message-settings.tpl.php b/Theme/Backend/message-settings.tpl.php
index d5b7290..8daa057 100644
--- a/Theme/Backend/message-settings.tpl.php
+++ b/Theme/Backend/message-settings.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn