diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 85aaa1c..21428e2 100644
--- 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\SupplierManagement\Admin\Install
  * @copyright Dennis Eichhorn
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 5c0c8ac..2863653 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Status.php b/Admin/Status.php
index 52e5085..0d2f4aa 100644
--- a/Admin/Status.php
+++ b/Admin/Status.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Uninstaller.php b/Admin/Uninstaller.php
index 8685bb5..40c08d3 100644
--- a/Admin/Uninstaller.php
+++ b/Admin/Uninstaller.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Updater.php b/Admin/Updater.php
index a45e429..5eb521c 100644
--- a/Admin/Updater.php
+++ b/Admin/Updater.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement\Admin
  * @copyright Dennis Eichhorn
diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 79ebbfb..fd513d6 100644
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement
  * @copyright Dennis Eichhorn
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 12058d7..266d878 100644
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement
  * @copyright Dennis Eichhorn
diff --git a/Controller/Controller.php b/Controller/Controller.php
index b2cc069..7b362ab 100644
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement
  * @copyright Dennis Eichhorn
diff --git a/Models/NullSupplier.php b/Models/NullSupplier.php
index e4f59ee..08330a7 100644
--- a/Models/NullSupplier.php
+++ b/Models/NullSupplier.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement\Models
  * @copyright Dennis Eichhorn
diff --git a/Models/PermissionState.php b/Models/PermissionState.php
index 2658aeb..290a5c3 100644
--- a/Models/PermissionState.php
+++ b/Models/PermissionState.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement\Models
  * @copyright Dennis Eichhorn
diff --git a/Models/Supplier.php b/Models/Supplier.php
index 357a1a3..54964a7 100644
--- a/Models/Supplier.php
+++ b/Models/Supplier.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement\Models
  * @copyright Dennis Eichhorn
diff --git a/Models/SupplierMapper.php b/Models/SupplierMapper.php
index a8bf43e..d4a7e72 100644
--- a/Models/SupplierMapper.php
+++ b/Models/SupplierMapper.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement\Models
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.de.lang.php b/Theme/Backend/Lang/Navigation.de.lang.php
index 0524e94..d2cb4b7 100644
--- a/Theme/Backend/Lang/Navigation.de.lang.php
+++ b/Theme/Backend/Lang/Navigation.de.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index 4102031..8f38510 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 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/de.lang.php b/Theme/Backend/Lang/de.lang.php
index 273b7f1..1e51c08 100644
--- a/Theme/Backend/Lang/de.lang.php
+++ b/Theme/Backend/Lang/de.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 9e0aa2c..495d6a6 100644
--- 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\SupplierManagement
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/supplier-create.tpl.php b/Theme/Backend/supplier-create.tpl.php
index 75aeee4..db90531 100644
--- a/Theme/Backend/supplier-create.tpl.php
+++ b/Theme/Backend/supplier-create.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/supplier-list.tpl.php b/Theme/Backend/supplier-list.tpl.php
index b36d6dd..0dbef45 100644
--- a/Theme/Backend/supplier-list.tpl.php
+++ b/Theme/Backend/supplier-list.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\SupplierManagement
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/supplier-profile.tpl.php b/Theme/Backend/supplier-profile.tpl.php
index ada2c31..6441873 100644
--- a/Theme/Backend/supplier-profile.tpl.php
+++ b/Theme/Backend/supplier-profile.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   Modules\ClientManagement
  * @copyright Dennis Eichhorn
diff --git a/tests/Admin/AdminTest.php b/tests/Admin/AdminTest.php
index aaa7b2f..4817aaf 100644
--- a/tests/Admin/AdminTest.php
+++ b/tests/Admin/AdminTest.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.4
+ * PHP Version 8.0
  *
  * @package   tests
  * @copyright Dennis Eichhorn