diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 75e9374..2ce0b1e 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -12,7 +12,5 @@ jobs:
     with:
       os: >-
         ['ubuntu-latest']
-      php: >-
-        ['8.1', '8.2']
       stability: >-
         ['prefer-lowest', 'prefer-stable']
diff --git a/composer.json b/composer.json
index 6b22ef4..a7c2557 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     "require": {
         "php": ">=8.1",
         "ext-json": "*",
-        "spiral/core": "^3.1",
+        "spiral/core": "^3.6",
         "spiral/files": "^3.1",
         "spiral/streams": "^3.1",
         "spiral/translator": "^3.1",
diff --git a/src/Checker/AddressChecker.php b/src/Checker/AddressChecker.php
index 081b0c4..be38fad 100644
--- a/src/Checker/AddressChecker.php
+++ b/src/Checker/AddressChecker.php
@@ -4,10 +4,11 @@
 
 namespace Spiral\Validator\Checker;
 
-use Spiral\Core\Container\SingletonInterface;
+use Spiral\Core\Attribute\Singleton;
 use Spiral\Validator\AbstractChecker;
 
-final class AddressChecker extends AbstractChecker implements SingletonInterface
+#[Singleton]
+final class AddressChecker extends AbstractChecker
 {
     public const MESSAGES = [
         'email' => '[[Must be a valid email address.]]',
diff --git a/src/Checker/BooleanChecker.php b/src/Checker/BooleanChecker.php
index 43f5e24..737d8fb 100644
--- a/src/Checker/BooleanChecker.php
+++ b/src/Checker/BooleanChecker.php
@@ -4,10 +4,11 @@
 
 namespace Spiral\Validator\Checker;
 
-use Spiral\Core\Container\SingletonInterface;
+use Spiral\Core\Attribute\Singleton;
 use Spiral\Validator\AbstractChecker;
 
-final class BooleanChecker extends AbstractChecker implements SingletonInterface
+#[Singleton]
+final class BooleanChecker extends AbstractChecker
 {
     public const MESSAGES = [
         'isTrue' => '[[Should be true.]]',
diff --git a/src/Checker/DatetimeChecker.php b/src/Checker/DatetimeChecker.php
index 3de42bd..f1c4c32 100644
--- a/src/Checker/DatetimeChecker.php
+++ b/src/Checker/DatetimeChecker.php
@@ -4,11 +4,12 @@
 
 namespace Spiral\Validator\Checker;
 
-use Spiral\Core\Container\SingletonInterface;
+use Spiral\Core\Attribute\Singleton;
 use Spiral\Validator\AbstractChecker;
 use Spiral\Validator\Checker\DatetimeChecker\ThresholdChecker;
 
-final class DatetimeChecker extends AbstractChecker implements SingletonInterface
+#[Singleton]
+final class DatetimeChecker extends AbstractChecker
 {
     public const MESSAGES = [
         'future'   => '[[Should be a date in the future.]]',
diff --git a/src/Checker/FileChecker.php b/src/Checker/FileChecker.php
index 9aa114f..6422928 100644
--- a/src/Checker/FileChecker.php
+++ b/src/Checker/FileChecker.php
@@ -5,12 +5,13 @@
 namespace Spiral\Validator\Checker;
 
 use Psr\Http\Message\UploadedFileInterface;
-use Spiral\Core\Container\SingletonInterface;
+use Spiral\Core\Attribute\Singleton;
 use Spiral\Files\FilesInterface;
 use Spiral\Validator\AbstractChecker;
 use Spiral\Validator\Checker\Traits\FileTrait;
 
-final class FileChecker extends AbstractChecker implements SingletonInterface
+#[Singleton]
+final class FileChecker extends AbstractChecker
 {
     use FileTrait;
 
diff --git a/src/Checker/ImageChecker.php b/src/Checker/ImageChecker.php
index 1956d11..41d07e4 100644
--- a/src/Checker/ImageChecker.php
+++ b/src/Checker/ImageChecker.php
@@ -5,13 +5,14 @@
 namespace Spiral\Validator\Checker;
 
 use Psr\Http\Message\UploadedFileInterface;
-use Spiral\Core\Container\SingletonInterface;
+use Spiral\Core\Attribute\Singleton;
 use Spiral\Files\FilesInterface;
 use Spiral\Streams\StreamableInterface;
 use Spiral\Validator\AbstractChecker;
 use Spiral\Validator\Checker\Traits\FileTrait;
 
-final class ImageChecker extends AbstractChecker implements SingletonInterface
+#[Singleton]
+final class ImageChecker extends AbstractChecker
 {
     use FileTrait;
 
diff --git a/src/Checker/MixedChecker.php b/src/Checker/MixedChecker.php
index c6cc613..7fe9290 100644
--- a/src/Checker/MixedChecker.php
+++ b/src/Checker/MixedChecker.php
@@ -4,10 +4,11 @@
 
 namespace Spiral\Validator\Checker;
 
-use Spiral\Core\Container\SingletonInterface;
+use Spiral\Core\Attribute\Singleton;
 use Spiral\Validator\AbstractChecker;
 
-final class MixedChecker extends AbstractChecker implements SingletonInterface
+#[Singleton]
+final class MixedChecker extends AbstractChecker
 {
     public const MESSAGES = [
         'cardNumber' => '[[Please enter valid card number.]]',
diff --git a/src/Checker/NumberChecker.php b/src/Checker/NumberChecker.php
index dc2b2de..d357cb0 100644
--- a/src/Checker/NumberChecker.php
+++ b/src/Checker/NumberChecker.php
@@ -4,10 +4,11 @@
 
 namespace Spiral\Validator\Checker;
 
-use Spiral\Core\Container\SingletonInterface;
+use Spiral\Core\Attribute\Singleton;
 use Spiral\Validator\AbstractChecker;
 
-final class NumberChecker extends AbstractChecker implements SingletonInterface
+#[Singleton]
+final class NumberChecker extends AbstractChecker
 {
     public const MESSAGES = [
         'range'  => '[[Your value should be in range of {1}-{2}.]]',
diff --git a/src/Checker/StringChecker.php b/src/Checker/StringChecker.php
index 864a955..14c0612 100644
--- a/src/Checker/StringChecker.php
+++ b/src/Checker/StringChecker.php
@@ -4,10 +4,11 @@
 
 namespace Spiral\Validator\Checker;
 
-use Spiral\Core\Container\SingletonInterface;
+use Spiral\Core\Attribute\Singleton;
 use Spiral\Validator\AbstractChecker;
 
-final class StringChecker extends AbstractChecker implements SingletonInterface
+#[Singleton]
+final class StringChecker extends AbstractChecker
 {
     public const MESSAGES = [
         'regexp'   => '[[Value does not match required pattern.]]',
diff --git a/src/Checker/TypeChecker.php b/src/Checker/TypeChecker.php
index 4aadfbe..e7090a5 100644
--- a/src/Checker/TypeChecker.php
+++ b/src/Checker/TypeChecker.php
@@ -4,11 +4,12 @@
 
 namespace Spiral\Validator\Checker;
 
-use Spiral\Core\Container\SingletonInterface;
+use Spiral\Core\Attribute\Singleton;
 use Spiral\Validator\AbstractChecker;
 use Spiral\Validator\Checker\Traits\NotEmptyTrait;
 
-final class TypeChecker extends AbstractChecker implements SingletonInterface
+#[Singleton]
+final class TypeChecker extends AbstractChecker
 {
     use NotEmptyTrait;
 
diff --git a/tests/app/Bootloader/FiltersBootloader.php b/tests/app/Bootloader/FiltersBootloader.php
index 64266ba..c8fd94f 100644
--- a/tests/app/Bootloader/FiltersBootloader.php
+++ b/tests/app/Bootloader/FiltersBootloader.php
@@ -9,6 +9,7 @@
 use Spiral\Boot\Bootloader\Bootloader;
 use Spiral\Config\ConfiguratorInterface;
 use Spiral\Config\Patch\Append;
+use Spiral\Core\Attribute\Singleton;
 use Spiral\Core\BinderInterface;
 use Spiral\Core\Container;
 use Spiral\Core\InterceptableCore;
@@ -21,13 +22,19 @@
 use Spiral\Filters\Model\Interceptor\PopulateDataFromEntityInterceptor;
 use Spiral\Filters\Model\Interceptor\ValidateFilterInterceptor;
 use Spiral\Filters\InputInterface;
+use Spiral\Filters\Model\Mapper\CasterRegistry;
+use Spiral\Filters\Model\Mapper\CasterRegistryInterface;
+use Spiral\Filters\Model\Mapper\EnumCaster;
+use Spiral\Filters\Model\Mapper\UuidCaster;
 use Spiral\Validator\App\InputScope;
 
-final class FiltersBootloader extends Bootloader implements Container\InjectorInterface, Container\SingletonInterface
+#[Singleton]
+final class FiltersBootloader extends Bootloader implements Container\InjectorInterface
 {
     protected const SINGLETONS = [
         FilterProviderInterface::class => [self::class, 'initFilterProvider'],
         InputInterface::class => InputScope::class,
+        CasterRegistryInterface::class => [self::class, 'initCasterRegistry'],
     ];
 
     public function __construct(
@@ -85,4 +92,9 @@ private function initFilterProvider(
 
         return new FilterProvider($container, $container, $core);
     }
+
+    private function initCasterRegistry(): CasterRegistryInterface
+    {
+        return new CasterRegistry([new EnumCaster(), new UuidCaster()]);
+    }
 }