diff --git a/composer.json b/composer.json
index 850f21c9..1d3394e8 100644
--- a/composer.json
+++ b/composer.json
@@ -15,6 +15,7 @@
         "ext-json": "*",
         "composer-runtime-api": "^2.0.0",
         "symfony/console": "^5.4.9 || ^6.0 || ^7.0",
+        "symfony/filesystem": "^5.4 || ^6.0 || ^7.0",
         "symfony/finder": "^5.4 || ^6.0 || ^7.0",
         "symfony/string": "^5.4 || ^6.0 || ^7.0",
         "twig/twig": "^2.14.0 || ^3.0.5",
@@ -36,7 +37,6 @@
         "psalm/plugin-phpunit": "^0.18.4",
         "psalm/plugin-symfony": "^5.0.0",
         "rector/rector": "^1.0.0",
-        "symfony/filesystem": "^5.4 || ^6.0 || ^7.0",
         "symfony/process": "^5.4 || ^6.0 || ^7.0",
         "symfony/twig-bridge": "^5.4 || ^6.0 || ^7.0",
         "symfony/ux-twig-component": "^2.2.0",
diff --git a/src/File/FileHelper.php b/src/File/FileHelper.php
index 18df0a2d..86f918c0 100644
--- a/src/File/FileHelper.php
+++ b/src/File/FileHelper.php
@@ -4,6 +4,7 @@
 
 namespace TwigCsFixer\File;
 
+use Symfony\Component\Filesystem\Path;
 use Webmozart\Assert\Assert;
 
 final class FileHelper
@@ -13,7 +14,7 @@ public static function getAbsolutePath(string $path, ?string $workingDir = null)
         $workingDir ??= @getcwd();
         Assert::notFalse($workingDir, 'Cannot get the current working directory.');
 
-        return self::isAbsolutePath($path) ? $path : $workingDir.\DIRECTORY_SEPARATOR.$path;
+        return Path::makeAbsolute($path, $workingDir);
     }
 
     public static function removeDot(string $fileName): string
@@ -70,15 +71,15 @@ private static function splitPath(
         array $ignoredDir = [],
         ?string $workingDir = null,
     ): array {
-        $baseDir = self::simplifyPath(self::getAbsolutePath($baseDir ?? '', $workingDir));
-        $path = self::simplifyPath(self::getAbsolutePath($path, $workingDir));
+        $baseDir = Path::canonicalize(self::getAbsolutePath($baseDir ?? '', $workingDir));
+        $path = Path::canonicalize(self::getAbsolutePath($path, $workingDir));
 
         if (!str_starts_with($path, $baseDir.\DIRECTORY_SEPARATOR)) {
             return [];
         }
 
         foreach ($ignoredDir as $ignoredDirectory) {
-            $ignoredDirectory = self::simplifyPath(self::getAbsolutePath($ignoredDirectory, $baseDir));
+            $ignoredDirectory = Path::canonicalize(self::getAbsolutePath($ignoredDirectory, $baseDir));
             if (str_starts_with($path, $ignoredDirectory.\DIRECTORY_SEPARATOR)) {
                 return [];
             }
@@ -86,33 +87,4 @@ private static function splitPath(
 
         return explode(\DIRECTORY_SEPARATOR, substr($path, \strlen($baseDir) + 1));
     }
-
-    private static function isAbsolutePath(string $path): bool
-    {
-        return '' !== $path && (
-            '/' === $path[0]
-            || '\\' === $path[0]
-            || 1 === preg_match('#^[a-zA-Z]:\\\\#', $path)
-        );
-    }
-
-    private static function simplifyPath(string $absolutePath): string
-    {
-        if (!self::isAbsolutePath($absolutePath)) {
-            throw new \InvalidArgumentException('The path must be absolute.');
-        }
-
-        $parts = explode(\DIRECTORY_SEPARATOR, $absolutePath);
-
-        $result = [];
-        foreach ($parts as $part) {
-            if ('..' === $part) {
-                array_pop($result);
-            } elseif ('.' !== $part && '' !== $part) {
-                $result[] = $part;
-            }
-        }
-
-        return \DIRECTORY_SEPARATOR.implode(\DIRECTORY_SEPARATOR, $result);
-    }
 }
diff --git a/tests/File/FileHelperTest.php b/tests/File/FileHelperTest.php
index ca443551..94e01499 100644
--- a/tests/File/FileHelperTest.php
+++ b/tests/File/FileHelperTest.php
@@ -180,4 +180,6 @@ public static function getDirectoriesDataProvider(): iterable
             [],
         ];
     }
+
+
 }