diff --git a/composer.json b/composer.json
index caffe98..6b7909d 100755
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 	],
 	"license": "GPL-2.0-or-later",
 	"require": {
-		"typo3/cms-core": "^9 || ^10 || ^11",
+		"typo3/cms-core": "^9 || ^10 || ^11 || ^12",
 		"php": ">=7.3"
 	},
 	"extra": {
diff --git a/ext_localconf.php b/ext_localconf.php
index b891425..5f2b130 100644
--- a/ext_localconf.php
+++ b/ext_localconf.php
@@ -1,7 +1,5 @@
 <?php
 
-defined('TYPO3_MODE') or die();
-
 if (!interface_exists('TYPO3\CMS\Core\Pagination\PaginationInterface', false)) {
     class_alias(
         \GeorgRinger\NumberedPagination\Contract\PaginationInterface::class,