diff --git a/config/level/up-to-typo3-12.php b/config/level/up-to-typo3-12.php
new file mode 100644
index 000000000..2b065e243
--- /dev/null
+++ b/config/level/up-to-typo3-12.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Ssch\TYPO3Rector\Set\Typo3LevelSetList;
+use Ssch\TYPO3Rector\Set\Typo3SetList;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->sets([Typo3LevelSetList::UP_TO_TYPO3_11, Typo3SetList::TYPO3_12]);
+};
diff --git a/config/typo3-11.0.php b/config/typo3-11.5.php
similarity index 100%
rename from config/typo3-11.0.php
rename to config/typo3-11.5.php
diff --git a/config/typo3-12.0.php b/config/typo3-12.0.php
new file mode 100644
index 000000000..b469358af
--- /dev/null
+++ b/config/typo3-12.0.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->import(__DIR__ . '/v12/*');
+};
diff --git a/config/v12/typo3-120.php b/config/v12/typo3-120.php
new file mode 100644
index 000000000..ea416321e
--- /dev/null
+++ b/config/v12/typo3-120.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Ssch\TYPO3Rector\Rector\v12\v0\MigrateInternalTypeRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->import(__DIR__ . '/../config.php');
+    $rectorConfig->rule(MigrateInternalTypeRector::class);
+};
diff --git a/src/Set/Typo3LevelSetList.php b/src/Set/Typo3LevelSetList.php
index eadf79850..d5bfc41f5 100644
--- a/src/Set/Typo3LevelSetList.php
+++ b/src/Set/Typo3LevelSetList.php
@@ -6,6 +6,11 @@
 
 final class Typo3LevelSetList
 {
+    /**
+     * @var string
+     */
+    public const UP_TO_TYPO3_12 = __DIR__ . '/../../config/level/up-to-typo3-12.php';
+
     /**
      * @var string
      */
diff --git a/src/Set/Typo3SetList.php b/src/Set/Typo3SetList.php
index 38e833434..17917e249 100644
--- a/src/Set/Typo3SetList.php
+++ b/src/Set/Typo3SetList.php
@@ -87,7 +87,12 @@ final class Typo3SetList
     /**
      * @var string
      */
-    public const TYPO3_11 = __DIR__ . '/../../config/typo3-11.0.php';
+    public const TYPO3_11 = __DIR__ . '/../../config/typo3-11.5.php';
+
+    /**
+     * @var string
+     */
+    public const TYPO3_12 = __DIR__ . '/../../config/typo3-12.0.php';
 
     /**
      * @var string