diff --git a/Classes/Controller/AdministrationController.php b/Classes/Controller/AdministrationController.php
index 8ac34f4b..6fdf9362 100644
--- a/Classes/Controller/AdministrationController.php
+++ b/Classes/Controller/AdministrationController.php
@@ -13,7 +13,6 @@
 namespace Typoheads\Formhandler\Controller;
 
 use Psr\Http\Message\ResponseInterface;
-use TYPO3\CMS\Backend\Attribute\Controller;
 use TYPO3\CMS\Backend\Template\ModuleTemplateFactory;
 use TYPO3\CMS\Core\Http\PropagateResponseException;
 use TYPO3\CMS\Core\Imaging\IconFactory;
@@ -25,7 +24,6 @@
 use Typoheads\Formhandler\Domain\Model\Log;
 use Typoheads\Formhandler\Domain\Repository\LogRepository;
 
-#[Controller]
 final class AdministrationController extends ActionController {
   public function __construct(
     protected readonly ModuleTemplateFactory $moduleTemplateFactory,
diff --git a/Configuration/Services.yaml b/Configuration/Services.yaml
index 38f7c9d3..ed04925f 100644
--- a/Configuration/Services.yaml
+++ b/Configuration/Services.yaml
@@ -17,3 +17,6 @@ services:
   Typoheads\Formhandler\Session\Typo3Session:
     arguments:
       $cache: '@cache.formhandler_cache'
+
+  Typoheads\Formhandler\Controller\AdministrationController:
+    tags: ['backend.controller']
\ No newline at end of file
diff --git a/Configuration/TCA/tx_formhandler_domain_model_log.php b/Configuration/TCA/tx_formhandler_domain_model_log.php
index fca496ac..ed863cc2 100644
--- a/Configuration/TCA/tx_formhandler_domain_model_log.php
+++ b/Configuration/TCA/tx_formhandler_domain_model_log.php
@@ -40,8 +40,7 @@
         'renderType' => 'checkboxToggle',
         'items' => [
           [
-            0 => '',
-            1 => '',
+            'label' => '',
             'invertStateDisplay' => true,
           ],
         ],
@@ -94,12 +93,6 @@
       'config' => [
         'type' => 'check',
         'renderType' => 'checkboxToggle',
-        'items' => [
-          [
-            0 => '',
-            1 => '',
-          ],
-        ],
       ],
     ],
     'crdate' => [
diff --git a/composer.json b/composer.json
index f7ab52a1..69c0ef1b 100644
--- a/composer.json
+++ b/composer.json
@@ -15,21 +15,21 @@
   ],
   "require": {
     "php": "^8.2",
-    "typo3/cms-core": "^12.4",
-    "typo3/cms-extbase": "^12.4",
-    "typo3/cms-fluid": "^12.4",
-    "typo3/cms-frontend": "^12.4",
+    "typo3/cms-core": "^12.4 || ^13.4",
+    "typo3/cms-extbase": "^12.4 || ^13.4",
+    "typo3/cms-fluid": "^12.4 || ^13.4",
+    "typo3/cms-frontend": "^12.4 || ^13.4",
     "tecnickcom/tcpdf": "^6.6",
     "parsecsv/php-parsecsv": "^1.3",
     "esi/mimey": "^1.0"
   },
   "require-dev": {
-    "typo3/cms-backend": "^12.4",
-    "symfony/mailer": "^6.3",
-    "phpstan/phpstan": "^1.10",
-    "saschaegerer/phpstan-typo3": "^1.8",
-    "helmich/typo3-typoscript-lint": "^3.1",
-    "friendsofphp/php-cs-fixer": "^3.18",
+    "typo3/cms-backend": "^12.4 || ^13.4",
+    "symfony/mailer": "^6.4 || ^7.0",
+    "phpstan/phpstan": "^1.12",
+    "saschaegerer/phpstan-typo3": "^1.10",
+    "helmich/typo3-typoscript-lint": "^3",
+    "friendsofphp/php-cs-fixer": "^3",
     "google/recaptcha": "^1.3",
     "jakota/documentation-builder": "dev-main"
   },
diff --git a/ext_emconf.php b/ext_emconf.php
index dae01731..033301bd 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -17,7 +17,7 @@
   'version' => '9.0.0',
   'constraints' => [
     'depends' => [
-      'typo3' => '^12.4',
+      'typo3' => '12.4.0-13.4.99',
     ],
     'conflicts' => [],
     'suggests' => [],