diff --git a/bin/doc b/bin/doc
index 8089d0a..e35ef59 100755
--- a/bin/doc
+++ b/bin/doc
@@ -2,11 +2,11 @@
 <?php
 
 use PedroTroller\CS\Fixer\AbstractFixer;
-use PhpCsFixer\Diff\Differ;
 use PhpCsFixer\Fixer\ConfigurableFixerInterface;
 use PhpCsFixer\FixerConfiguration\FixerOptionInterface;
 use PhpCsFixer\FixerDefinition\CodeSample;
 use PhpCsFixer\Tokenizer\Tokens;
+use SebastianBergmann\Diff\Differ;
 use Twig\Environment;
 use Twig\Loader\FilesystemLoader;
 
diff --git a/composer.json b/composer.json
index 387b6a0..8c7a7ea 100644
--- a/composer.json
+++ b/composer.json
@@ -4,10 +4,11 @@
     "license": "MIT",
     "require": {
         "php": "^7.4 || ^8.0",
-        "friendsofphp/php-cs-fixer": "^3.13"
+        "friendsofphp/php-cs-fixer": "^3.13.1"
     },
     "require-dev": {
         "phpspec/phpspec": "^7.0",
+        "sebastian/diff": "^4.0",
         "twig/twig": "^3.3",
         "webmozart/assert": "^1.10"
     },
diff --git a/tests/Runner.php b/tests/Runner.php
index 24c9a85..66f70ff 100644
--- a/tests/Runner.php
+++ b/tests/Runner.php
@@ -6,8 +6,8 @@
 
 use Exception;
 use PedroTroller\CS\Fixer\TokensAnalyzer;
-use PhpCsFixer\Diff\Differ;
 use PhpCsFixer\Tokenizer\Tokens;
+use SebastianBergmann\Diff\Differ;
 use SplFileInfo;
 use Symfony\Component\Finder\Finder;