diff --git a/composer.json b/composer.json
index a3662a6e6..a59b73e75 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,6 @@
     "minimum-stability": "dev",
     "require": {
         "php": ">=7.2.5",
-        "doctrine/inflector": "^2.0",
         "nikic/php-parser": "^4.11",
         "symfony/config": "^5.4.7|^6.0",
         "symfony/console": "^5.4.7|^6.0",
@@ -23,7 +22,8 @@
         "symfony/filesystem": "^5.4.7|^6.0",
         "symfony/finder": "^5.4.7|^6.0",
         "symfony/framework-bundle": "^5.4.7|^6.0",
-        "symfony/http-kernel": "^5.4.7|^6.0"
+        "symfony/http-kernel": "^5.4.7|^6.0",
+        "symfony/string": "^5.4|^6.0"
     },
     "require-dev": {
         "composer/semver": "^3.0",
diff --git a/src/Maker/MakeCrud.php b/src/Maker/MakeCrud.php
index e01676bcd..3343cc6c0 100644
--- a/src/Maker/MakeCrud.php
+++ b/src/Maker/MakeCrud.php
@@ -12,7 +12,6 @@
 namespace Symfony\Bundle\MakerBundle\Maker;
 
 use Doctrine\Bundle\DoctrineBundle\DoctrineBundle;
-use Doctrine\Inflector\InflectorFactory;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Bundle\MakerBundle\ConsoleStyle;
@@ -31,6 +30,7 @@
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Routing\Annotation\Route;
 use Symfony\Component\Security\Csrf\CsrfTokenManager;
+use Symfony\Component\String\Inflector\EnglishInflector;
 use Symfony\Component\Validator\Validation;
 
 /**
@@ -50,7 +50,8 @@ public function __construct(DoctrineHelper $doctrineHelper, FormTypeRenderer $fo
     {
         $this->doctrineHelper = $doctrineHelper;
         $this->formTypeRenderer = $formTypeRenderer;
-        $this->inflector = InflectorFactory::create()->build();
+
+        $this->inflector = new EnglishInflector();
     }
 
     public static function getCommandName(): string
@@ -120,7 +121,7 @@ public function generate(InputInterface $input, ConsoleStyle $io, Generator $gen
             $repositoryVars = [
                 'repository_full_class_name' => $repositoryClassDetails->getFullName(),
                 'repository_class_name' => $repositoryClassDetails->getShortName(),
-                'repository_var' => lcfirst($this->inflector->singularize($repositoryClassDetails->getShortName())),
+                'repository_var' => lcfirst($this->inflector->singularize($repositoryClassDetails->getShortName())[0]),
             ];
         }
 
@@ -140,8 +141,8 @@ public function generate(InputInterface $input, ConsoleStyle $io, Generator $gen
             ++$iter;
         } while (class_exists($formClassDetails->getFullName()));
 
-        $entityVarPlural = lcfirst($this->inflector->pluralize($entityClassDetails->getShortName()));
-        $entityVarSingular = lcfirst($this->inflector->singularize($entityClassDetails->getShortName()));
+        $entityVarPlural = lcfirst($this->inflector->pluralize($entityClassDetails->getShortName())[0]);
+        $entityVarSingular = lcfirst($this->inflector->singularize($entityClassDetails->getShortName())[0]);
 
         $entityTwigVarPlural = Str::asTwigVariable($entityVarPlural);
         $entityTwigVarSingular = Str::asTwigVariable($entityVarSingular);
diff --git a/src/Str.php b/src/Str.php
index b64585403..5e5b392c2 100644
--- a/src/Str.php
+++ b/src/Str.php
@@ -11,9 +11,9 @@
 
 namespace Symfony\Bundle\MakerBundle;
 
-use Doctrine\Inflector\Inflector;
-use Doctrine\Inflector\InflectorFactory;
 use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\String\Inflector\EnglishInflector;
+use function Symfony\Component\String\u;
 
 /**
  * @author Javier Eguiluz <javier.eguiluz@gmail.com>
@@ -21,9 +21,6 @@
  */
 final class Str
 {
-    /** @var Inflector|null */
-    private static $inflector;
-
     /**
      * Looks for suffixes in strings in a case-insensitive way.
      */
@@ -39,7 +36,9 @@ public static function hasSuffix(string $value, string $suffix): bool
      */
     public static function addSuffix(string $value, string $suffix): string
     {
-        return self::removeSuffix($value, $suffix).$suffix;
+        $string = u($value)->ignoreCase();
+
+        return $string->trimSuffix($suffix)->append($suffix);
     }
 
     /**
@@ -49,7 +48,7 @@ public static function addSuffix(string $value, string $suffix): string
      */
     public static function removeSuffix(string $value, string $suffix): string
     {
-        return self::hasSuffix($value, $suffix) ? substr($value, 0, -\strlen($suffix)) : $value;
+        return u($value)->ignoreCase()->trimSuffix($suffix);
     }
 
     /**
@@ -86,12 +85,12 @@ public static function asTwigVariable(string $value): string
 
     public static function asLowerCamelCase(string $str): string
     {
-        return lcfirst(self::asCamelCase($str));
+        return u($str)->camel();
     }
 
     public static function asCamelCase(string $str): string
     {
-        return strtr(ucwords(strtr($str, ['_' => ' ', '.' => ' ', '\\' => ' '])), [' ' => '']);
+        return u($str)->camel()->title();
     }
 
     public static function asRoutePath(string $value): string
@@ -108,7 +107,7 @@ public static function asRouteName(string $value): string
 
     public static function asSnakeCase(string $value): string
     {
-        return self::asTwigVariable($value);
+        return u($value)->snake();
     }
 
     public static function asCommand(string $value): string
@@ -145,8 +144,7 @@ public static function asFilePath(string $value): string
 
     public static function singularCamelCaseToPluralCamelCase(string $camelCase): string
     {
-        $snake = self::asSnakeCase($camelCase);
-        $words = explode('_', $snake);
+        $words = explode('_', u($camelCase)->snake());
         $words[\count($words) - 1] = self::pluralize($words[\count($words) - 1]);
         $reSnaked = implode('_', $words);
 
@@ -155,8 +153,7 @@ public static function singularCamelCaseToPluralCamelCase(string $camelCase): st
 
     public static function pluralCamelCaseToSingular(string $camelCase): string
     {
-        $snake = self::asSnakeCase($camelCase);
-        $words = explode('_', $snake);
+        $words = explode('_', u($camelCase)->snake());
         $words[\count($words) - 1] = self::singularize($words[\count($words) - 1]);
         $reSnaked = implode('_', $words);
 
@@ -219,20 +216,15 @@ public static function asHumanWords(string $variableName): string
 
     private static function pluralize(string $word): string
     {
-        return static::getInflector()->pluralize($word);
-    }
+        $result = (new EnglishInflector())->pluralize($word);
 
-    private static function singularize(string $word): string
-    {
-        return static::getInflector()->singularize($word);
+        return $result[0];
     }
 
-    private static function getInflector(): Inflector
+    private static function singularize(string $word): string
     {
-        if (null === static::$inflector) {
-            static::$inflector = InflectorFactory::create()->build();
-        }
+        $result = (new EnglishInflector())->singularize($word);
 
-        return static::$inflector;
+        return $result[0];
     }
 }