diff --git a/.github/workflows/compute.yml b/.github/workflows/compute.yml
index 194f6c2..bd617ac 100644
--- a/.github/workflows/compute.yml
+++ b/.github/workflows/compute.yml
@@ -12,6 +12,7 @@ env:
         "^11.5"
         "^12.4"
         "^13.4"
+        "^14"
     TYPO3_DEV: |
         "11.5.x-dev"
         "12.4.x-dev"
@@ -34,6 +35,14 @@ env:
                 "typo3": "13.4.x-dev",
                 "php": "8.1",
             },
+            "14.0-8.1": {
+                "typo3": "^14",
+                "php": "8.1",
+            },
+            "14.0-8.2": {
+                "typo3": "^14",
+                "php": "8.2",
+            },
         }
 
 on:
diff --git a/Classes/Repository/ContentRepository.php b/Classes/Repository/ContentRepository.php
index 63f91be..08b92dc 100644
--- a/Classes/Repository/ContentRepository.php
+++ b/Classes/Repository/ContentRepository.php
@@ -149,7 +149,7 @@ protected function fetchRecordsForColPos(array $record): array
 
         while ($row = $statement->fetchAssociative()) {
             BackendUtility::workspaceOL('tt_content', $row, -99, true);
-            if (is_array($row) && !VersionState::cast($row['t3ver_state'])->equals(VersionState::DELETE_PLACEHOLDER)) {
+            if (is_array($row) && ! VersionState::tryFrom($row['t3ver_state']) === VersionState::DELETE_PLACEHOLDER) {
                 $uid = ($row['_ORIG_uid'] ?? 0) ?: $row['uid'];
                 $rows[$uid] = $uid;
             }
diff --git a/composer.json b/composer.json
index f65a78f..806f003 100644
--- a/composer.json
+++ b/composer.json
@@ -21,19 +21,19 @@
     ],
     "require": {
         "php": "^8.1",
-        "typo3/cms-backend": "^11.5 || ^12.4 || ^13.4",
-        "typo3/cms-core": "^11.5 || ^12.4 || ^13.4"
+        "typo3/cms-backend": "^11.5 || ^12.4 || ^13.4 || ^14",
+        "typo3/cms-core": "^11.5 || ^12.4 || ^13.4 || ^14"
     },
     "require-dev": {
         "php-parallel-lint/php-parallel-lint": "^1.4",
         "phpspec/prophecy": "^1.12.1",
         "phpspec/prophecy-phpunit": "^2.0",
         "phpunit/phpunit": "^10.5",
-        "typo3/cms-fluid-styled-content": "^11.5 || ^12.4 || ^13.4",
-        "typo3/cms-indexed-search": "^11.5 || ^12.4 || ^13.4",
-        "typo3/cms-workspaces": "^11.5 || ^12.4 || ^13.4",
-        "typo3/minimal": "^11.5 || ^12.0 || ^13.0",
-        "typo3/testing-framework": "^7.0.4 || ^8.2.3"
+        "typo3/cms-fluid-styled-content": "^11.5 || ^12.4 || ^13.4 || ^14",
+        "typo3/cms-indexed-search": "^11.5 || ^12.4 || ^13.4 || ^14",
+        "typo3/cms-workspaces": "^11.5 || ^12.4 || ^13.4 || ^14",
+        "typo3/minimal": "^11.5 || ^12.0 || ^13.0 || ^14",
+        "typo3/testing-framework": "^7.0.4 || ^8.2.3 || ^9.1.2"
     },
     "autoload": {
         "psr-4": {
@@ -53,6 +53,9 @@
             "typo3/class-alias-loader": true,
             "typo3/cms-composer-installers": true
         },
+        "audit": {
+            "block-insecure": false
+        },
         "bin-dir": ".Build/bin",
         "vendor-dir": ".Build/vendor",
         "sort-packages": true
diff --git a/ext_emconf.php b/ext_emconf.php
index ff52065..ad521f6 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -1,15 +1,5 @@
 <?php
 
-/***************************************************************
- * Extension Manager/Repository config file for ext "content_defender".
- *
- * Auto generated 01-12-2024 22:51
- *
- * Manual updates:
- * Only the data in the array - everything else is removed by next
- * writing. "version" and "dependencies" must not be touched!
- ***************************************************************/
-
 $EM_CONF[$_EXTKEY] = array (
   'title' => 'Content Defender',
   'description' => 'Define allowed or denied content element types in your backend layouts',
@@ -19,20 +9,13 @@
   'author_company' => 'biz-design',
   'state' => 'stable',
   'uploadfolder' => 0,
-  'createDirs' => '',
   'clearCacheOnLoad' => 0,
   'version' => '3.5.3',
   'constraints' =>
   array (
     'depends' =>
     array (
-      'typo3' => '11.5.0-13.4.99',
-    ),
-    'conflicts' =>
-    array (
-    ),
-    'suggests' =>
-    array (
+      'typo3' => '11.5.0-14.4.99',
     ),
   ),
 );