diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index f05626b..994a5e0 100755
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages\Admin\Install
  * @copyright Dennis Eichhorn
diff --git a/Admin/Installer.php b/Admin/Installer.php
index ddafea0..26aeef6 100755
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Status.php b/Admin/Status.php
index 1679169..80e63b6 100755
--- a/Admin/Status.php
+++ b/Admin/Status.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Uninstaller.php b/Admin/Uninstaller.php
index 8b8b248..576e16a 100755
--- a/Admin/Uninstaller.php
+++ b/Admin/Uninstaller.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Updater.php b/Admin/Updater.php
index 480000a..79ba6f9 100755
--- a/Admin/Updater.php
+++ b/Admin/Updater.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages\Admin
  * @copyright Dennis Eichhorn
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index af69ea7..2a0544b 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Controller/Controller.php b/Controller/Controller.php
index 7e68715..0364c14 100755
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Models/PermissionState.php b/Models/PermissionState.php
index be8490c..c91d82f 100755
--- a/Models/PermissionState.php
+++ b/Models/PermissionState.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages\Models
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index 9e901d1..cd24538 100755
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/api.en.lang.php b/Theme/Backend/Lang/api.en.lang.php
index 97d2e9a..ce6a1dd 100755
--- a/Theme/Backend/Lang/api.en.lang.php
+++ b/Theme/Backend/Lang/api.en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index ec408a8..4eb6a46 100755
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/dashboard.tpl.php b/Theme/Backend/dashboard.tpl.php
index e4c0f2a..37766f1 100755
--- a/Theme/Backend/dashboard.tpl.php
+++ b/Theme/Backend/dashboard.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/mail-create.tpl.php b/Theme/Backend/mail-create.tpl.php
index 92fa910..00ca03d 100755
--- a/Theme/Backend/mail-create.tpl.php
+++ b/Theme/Backend/mail-create.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/mail-out-view.tpl.php b/Theme/Backend/mail-out-view.tpl.php
index 03e54d9..49c5076 100755
--- a/Theme/Backend/mail-out-view.tpl.php
+++ b/Theme/Backend/mail-out-view.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/mail-spam-view.tpl.php b/Theme/Backend/mail-spam-view.tpl.php
index 03e54d9..49c5076 100755
--- a/Theme/Backend/mail-spam-view.tpl.php
+++ b/Theme/Backend/mail-spam-view.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/mail-trash-view.tpl.php b/Theme/Backend/mail-trash-view.tpl.php
index 03e54d9..49c5076 100755
--- a/Theme/Backend/mail-trash-view.tpl.php
+++ b/Theme/Backend/mail-trash-view.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/mail-view.tpl.php b/Theme/Backend/mail-view.tpl.php
index 272d7b9..5992ad5 100755
--- a/Theme/Backend/mail-view.tpl.php
+++ b/Theme/Backend/mail-view.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/message-settings.tpl.php b/Theme/Backend/message-settings.tpl.php
index 5989bb3..a6b414a 100755
--- a/Theme/Backend/message-settings.tpl.php
+++ b/Theme/Backend/message-settings.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\Messages
  * @copyright Dennis Eichhorn