diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 3c05b10..d185b15 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\Knowledgebase\Admin\Install
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 2404181..f07a1e2 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\Knowledgebase\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Status.php b/Admin/Status.php
index 50bab7c..fb48ea2 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\Knowledgebase\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Uninstaller.php b/Admin/Uninstaller.php
index 23370ad..97cdd83 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\Knowledgebase\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Admin/Updater.php b/Admin/Updater.php
index 490387d..0747d7f 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\Knowledgebase\Admin
  * @copyright  Dennis Eichhorn
diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 6952b2d..8e964c2 100644
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Knowledgebase
  * @copyright  Dennis Eichhorn
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index d9627db..55a6e8b 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\Knowledgebase
  * @copyright  Dennis Eichhorn
diff --git a/Controller/Controller.php b/Controller/Controller.php
index f6fd90f..a1ba0da 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\Knowledgebase
  * @copyright  Dennis Eichhorn
diff --git a/Models/NullWikiCategory.php b/Models/NullWikiCategory.php
index f85009f..4ee29d6 100644
--- a/Models/NullWikiCategory.php
+++ b/Models/NullWikiCategory.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Knowledgebase\Models
  * @copyright  Dennis Eichhorn
diff --git a/Models/NullWikiDoc.php b/Models/NullWikiDoc.php
index 4f71d79..d571e45 100644
--- a/Models/NullWikiDoc.php
+++ b/Models/NullWikiDoc.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Knowledgebase\Models
  * @copyright  Dennis Eichhorn
diff --git a/Models/PermissionState.php b/Models/PermissionState.php
index 1a58162..5b7fd4e 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\Knowledgebase\Models
  * @copyright  Dennis Eichhorn
diff --git a/Models/WikiCategory.php b/Models/WikiCategory.php
index 10b5b74..f7871ce 100644
--- a/Models/WikiCategory.php
+++ b/Models/WikiCategory.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Knowledgebase\Models
  * @copyright  Dennis Eichhorn
diff --git a/Models/WikiCategoryMapper.php b/Models/WikiCategoryMapper.php
index f148154..bb92554 100644
--- a/Models/WikiCategoryMapper.php
+++ b/Models/WikiCategoryMapper.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Knowledgebase\Models
  * @copyright  Dennis Eichhorn
diff --git a/Models/WikiDoc.php b/Models/WikiDoc.php
index bd89c7a..a3fb17b 100644
--- a/Models/WikiDoc.php
+++ b/Models/WikiDoc.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Knowledgebase\Models
  * @copyright  Dennis Eichhorn
diff --git a/Models/WikiDocMapper.php b/Models/WikiDocMapper.php
index 00b61db..5a5e2bf 100644
--- a/Models/WikiDocMapper.php
+++ b/Models/WikiDocMapper.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Knowledgebase\Models
  * @copyright  Dennis Eichhorn
diff --git a/Models/WikiStatus.php b/Models/WikiStatus.php
index 177ecbe..afa8a1b 100644
--- a/Models/WikiStatus.php
+++ b/Models/WikiStatus.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    Modules\Knowledgebase\Models
  * @copyright  Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index 4d113e3..6d68d1c 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/en.lang.php b/Theme/Backend/Lang/en.lang.php
index d950ec3..5bd64cc 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/wiki-category-list.tpl.php b/Theme/Backend/wiki-category-list.tpl.php
index d49225c..1d374a1 100644
--- a/Theme/Backend/wiki-category-list.tpl.php
+++ b/Theme/Backend/wiki-category-list.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.2
+ * PHP Version 7.4
  *
  * @package    TBD
  * @copyright  Dennis Eichhorn