diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e18c0da..e7e2093 100755
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -287,8 +287,6 @@ jobs:
         if [[ $(find ./ -name "*tpl.php" | xargs grep -P '(style=)') -ne "" ]]; then exit 1; fi
         if [[ $(find ./ -name "*tpl.php" | xargs grep -P '(value|title|alt|aria\-label)(=\")((?!\<\?).)*(>)') -ne "" ]]; then exit 1; fi
         if [[ $(find ./ -name "*tpl.php" | xargs grep -P '(\<td\>|\<th\>|\<caption\>|\<label.*?(\"|l)\>)) -ne "" ]]; then exit 1; fi
-    - name: Js strict
-      run: if [[ $(grep -r -L "\"use strict\";" --include=*.js ./) -ne "" ]]; then exit 1; fi
     - name: Js inspection
       run: |
         if [[ $(grep -rlni "onafterprint=\|onbeforeprint=\|onbeforeunload=\|onerror=\|onhaschange=\|onload=\|onmessage=\|onoffline=\|ononline=\|onpagehide=\|onpageshow=\|onpopstate=\|onredo=\|onresize=\|onstorage=\|onund=o\|onunload=\|onblur=\|onchage=\|oncontextmenu=\|onfocus=\|onformchange=\|onforminput=\|oninput=\|oninvalid=\|onreset=\|onselect=\|onsubmit=\|onkeydown=\|onkeypress=\|onkeyup=\|onclick=\|ondblclic=k\|ondrag=\|ondragend=\|ondragenter=\|ondragleave=\|ondragover=\|ondragstart=\|ondrop=\|onmousedown=\|onmousemove=\|onmouseout=\|onmouseover=\|onmouseup=\|onmousewheel=\|onscroll=\|onabor=t\|oncanplay=\|oncanplaythrough=\|ondurationchange=\|onemptied=\|onended=\|onerror=\|onloadeddata=\|onloadedmetadata=\|onloadstart=\|onpause=\|onplay=\|onplaying=\|onprogress=\|onratechange=\|onreadystatechange=\|onseeked=\|onseeking=\|onstalled=\|onsuspend=\|ontimeupdate=\|onvolumechange=" --include=*.js ./) -ne "" ]]; then exit 1; fi
diff --git a/Admin/Install/Application/Shop/Application.php b/Admin/Install/Application/Shop/Application.php
index b32f2c1..15030b1 100755
--- a/Admin/Install/Application/Shop/Application.php
+++ b/Admin/Install/Application/Shop/Application.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Web\{APPNAME}
  * @copyright Dennis Eichhorn
diff --git a/Admin/Install/Application/Shop/Controller/AppController.php b/Admin/Install/Application/Shop/Controller/AppController.php
index 2356a95..c15a61f 100755
--- a/Admin/Install/Application/Shop/Controller/AppController.php
+++ b/Admin/Install/Application/Shop/Controller/AppController.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Web\{APPNAME}
  * @copyright Dennis Eichhorn
diff --git a/Admin/Install/Application/Shop/Themes/Default/tpl/footer.tpl.php b/Admin/Install/Application/Shop/Themes/Default/tpl/footer.tpl.php
index 5057152..f6e2bf9 100755
--- a/Admin/Install/Application/Shop/Themes/Default/tpl/footer.tpl.php
+++ b/Admin/Install/Application/Shop/Themes/Default/tpl/footer.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Template
  * @copyright Dennis Eichhorn
diff --git a/Admin/Install/Application/Shop/Themes/Default/tpl/front.tpl.php b/Admin/Install/Application/Shop/Themes/Default/tpl/front.tpl.php
index 3714c7b..05bdcc6 100755
--- a/Admin/Install/Application/Shop/Themes/Default/tpl/front.tpl.php
+++ b/Admin/Install/Application/Shop/Themes/Default/tpl/front.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Web\{APPNAME}
  * @copyright Dennis Eichhorn
diff --git a/Admin/Install/Application/Shop/Themes/Default/tpl/header.tpl.php b/Admin/Install/Application/Shop/Themes/Default/tpl/header.tpl.php
index 7685209..fa0958e 100755
--- a/Admin/Install/Application/Shop/Themes/Default/tpl/header.tpl.php
+++ b/Admin/Install/Application/Shop/Themes/Default/tpl/header.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Web\{APPNAME}
  * @copyright Dennis Eichhorn
diff --git a/Admin/Install/Application/Shop/Themes/Default/tpl/imprint.tpl.php b/Admin/Install/Application/Shop/Themes/Default/tpl/imprint.tpl.php
index 86b4649..958d33b 100755
--- a/Admin/Install/Application/Shop/Themes/Default/tpl/imprint.tpl.php
+++ b/Admin/Install/Application/Shop/Themes/Default/tpl/imprint.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Web\{APPNAME}
  * @copyright Dennis Eichhorn
diff --git a/Admin/Install/Application/Shop/Themes/Default/tpl/privacy.tpl.php b/Admin/Install/Application/Shop/Themes/Default/tpl/privacy.tpl.php
index d044a2e..ad3ac8a 100755
--- a/Admin/Install/Application/Shop/Themes/Default/tpl/privacy.tpl.php
+++ b/Admin/Install/Application/Shop/Themes/Default/tpl/privacy.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Web\{APPNAME}
  * @copyright Dennis Eichhorn
diff --git a/Admin/Install/Application/Shop/Themes/Default/tpl/terms.tpl.php b/Admin/Install/Application/Shop/Themes/Default/tpl/terms.tpl.php
index 34c19fb..337fd67 100755
--- a/Admin/Install/Application/Shop/Themes/Default/tpl/terms.tpl.php
+++ b/Admin/Install/Application/Shop/Themes/Default/tpl/terms.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Web\{APPNAME}
  * @copyright Dennis Eichhorn
diff --git a/Admin/Install/Application/Shop/index.tpl.php b/Admin/Install/Application/Shop/index.tpl.php
index c678c65..2d4dc01 100755
--- a/Admin/Install/Application/Shop/index.tpl.php
+++ b/Admin/Install/Application/Shop/index.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Web\{APPNAME}
  * @copyright Dennis Eichhorn
diff --git a/Admin/Install/Application/Shop/lang/en.lang.php b/Admin/Install/Application/Shop/lang/en.lang.php
index 36d6da0..0a74b12 100755
--- a/Admin/Install/Application/Shop/lang/en.lang.php
+++ b/Admin/Install/Application/Shop/lang/en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Web\{APPNAME}
  * @copyright Dennis Eichhorn
diff --git a/Admin/Install/CMS.php b/Admin/Install/CMS.php
index 7392499..df923d4 100755
--- a/Admin/Install/CMS.php
+++ b/Admin/Install/CMS.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Shop\Admin\Install
  * @copyright Dennis Eichhorn
diff --git a/Admin/Routes/Web/Api.php b/Admin/Routes/Web/Api.php
index 6d1792c..0614ac6 100755
--- a/Admin/Routes/Web/Api.php
+++ b/Admin/Routes/Web/Api.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules
  * @copyright Dennis Eichhorn
diff --git a/Admin/Routes/Web/Backend.php b/Admin/Routes/Web/Backend.php
index 298429f..01ce453 100755
--- a/Admin/Routes/Web/Backend.php
+++ b/Admin/Routes/Web/Backend.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules
  * @copyright Dennis Eichhorn
diff --git a/tests/Admin/AdminTest.php b/tests/Admin/AdminTest.php
index 1c631ba..7870eeb 100644
--- a/tests/Admin/AdminTest.php
+++ b/tests/Admin/AdminTest.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   tests
  * @copyright Dennis Eichhorn