diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 083153c..71e5621 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\Purchase\Admin\Install
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 3ad7572..db71c21 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\Purchase\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Status.php b/Admin/Status.php
index 85f65c6..d818513 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\Purchase\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Uninstaller.php b/Admin/Uninstaller.php
index 08e5ee4..91ab360 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\Purchase\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Updater.php b/Admin/Updater.php
index 2b0eb30..eb4e769 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\Purchase\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 2086efc..a42db1a 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\Purchase
  * @copyright  Dennis Eichhorn
diff --git a/Controller/Controller.php b/Controller/Controller.php
index 9f88e36..4aa9226 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\Purchase
  * @copyright  Dennis Eichhorn
diff --git a/Models/PermissionState.php b/Models/PermissionState.php
index 58a3371..12a9297 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\Purchase
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index 9627b47..0bdcd02 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 7810d8b..9bf9580 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/analysis-dashboard.tpl.php b/Theme/Backend/analysis-dashboard.tpl.php
index 61e8cd3..e17cb52 100644
--- a/Theme/Backend/analysis-dashboard.tpl.php
+++ b/Theme/Backend/analysis-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/article-create.tpl.php b/Theme/Backend/article-create.tpl.php
index 61e8cd3..e17cb52 100644
--- a/Theme/Backend/article-create.tpl.php
+++ b/Theme/Backend/article-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/article-list.tpl.php b/Theme/Backend/article-list.tpl.php
index 61e8cd3..e17cb52 100644
--- a/Theme/Backend/article-list.tpl.php
+++ b/Theme/Backend/article-list.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/article-order-pending-list.tpl.php b/Theme/Backend/article-order-pending-list.tpl.php
index 61e8cd3..e17cb52 100644
--- a/Theme/Backend/article-order-pending-list.tpl.php
+++ b/Theme/Backend/article-order-pending-list.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/article-order-suggestion.tpl.php b/Theme/Backend/article-order-suggestion.tpl.php
index 61e8cd3..e17cb52 100644
--- a/Theme/Backend/article-order-suggestion.tpl.php
+++ b/Theme/Backend/article-order-suggestion.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/article-single.tpl.php b/Theme/Backend/article-single.tpl.php
index 61e8cd3..e17cb52 100644
--- a/Theme/Backend/article-single.tpl.php
+++ b/Theme/Backend/article-single.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/invoice-archive.tpl.php b/Theme/Backend/invoice-archive.tpl.php
index 61e8cd3..e17cb52 100644
--- a/Theme/Backend/invoice-archive.tpl.php
+++ b/Theme/Backend/invoice-archive.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/invoice-create.tpl.php b/Theme/Backend/invoice-create.tpl.php
index 61e8cd3..e17cb52 100644
--- a/Theme/Backend/invoice-create.tpl.php
+++ b/Theme/Backend/invoice-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/invoice-list.tpl.php b/Theme/Backend/invoice-list.tpl.php
index 61e8cd3..e17cb52 100644
--- a/Theme/Backend/invoice-list.tpl.php
+++ b/Theme/Backend/invoice-list.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/invoice-single.tpl.php b/Theme/Backend/invoice-single.tpl.php
index 61e8cd3..e17cb52 100644
--- a/Theme/Backend/invoice-single.tpl.php
+++ b/Theme/Backend/invoice-single.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn