diff --git a/.github/workflows/grumphp.yaml b/.github/workflows/grumphp.yaml
index b99ffd2..d2d5da9 100644
--- a/.github/workflows/grumphp.yaml
+++ b/.github/workflows/grumphp.yaml
@@ -7,7 +7,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['7.3', '7.4', '8.0']
+                php-versions: ['8.0', '8.1']
                 composer-options: ['', '--prefer-lowest']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }} with ${{ matrix.composer-options }}
@@ -34,14 +34,7 @@ jobs:
                   path: ${{ steps.composercache.outputs.dir }}
                   key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
                   restore-keys: ${{ runner.os }}-composer-
-            - name: Install dependencies <PHP8
-              if: matrix.php-versions != '8.0'
-              run: composer update --prefer-dist --no-progress --no-suggest ${{ matrix.composer-options }}
-            #
-            # Currently php-cs-fixer is nog PHP 8 compatible yet!
-            #
-            - name: Install dependencies PHP8
-              if: matrix.php-versions == '8.0'
+            - name: Install dependencies PHP
               run: composer update --prefer-dist --no-progress --no-suggest ${{ matrix.composer-options }} --ignore-platform-reqs
             - name: Set git variables
               run: |
@@ -50,4 +43,4 @@ jobs:
             - name: Run the tests
               run: php vendor/bin/grumphp run --no-interaction
               env:
-                  PHP_CS_FIXER_IGNORE_ENV: ${{ matrix.php-versions == '8.0'}}
+                  PHP_CS_FIXER_IGNORE_ENV: 1
diff --git a/.gitignore b/.gitignore
index 74aa0f1..c4876df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,8 @@
 /vendor/
 composer.lock
-.php_cs.cache
+.php-cs-fixer.cache
 .php_cs
 grumphp.yml
 phpunit.xml
 var
-.phpunit.result.cache
\ No newline at end of file
+.phpunit.result.cache
diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
new file mode 100644
index 0000000..afaab51
--- /dev/null
+++ b/.php-cs-fixer.dist.php
@@ -0,0 +1,92 @@
+<?php
+
+return (new PhpCsFixer\Config())
+    ->setFinder(
+        \Symfony\Component\Finder\Finder::create()
+        ->in([
+                 __DIR__ . '/src',
+                 __DIR__ . '/test',
+         ])
+    )
+    ->setRiskyAllowed(true)
+    ->setRules([
+           '@Symfony' => true,
+           'align_multiline_comment' => true,
+           'array_indentation' => true,
+           'array_syntax' => ['syntax' => 'short'],
+           'backtick_to_shell_exec' => true,
+           'blank_line_before_statement' => ['statements' => ['return']],
+           'class_keyword_remove' => false,
+           'combine_consecutive_issets' => true,
+           'combine_consecutive_unsets' => true,
+           'comment_to_phpdoc' => true,
+           'compact_nullable_typehint' => true,
+           'date_time_immutable' => true,
+           'declare_strict_types' => true,
+           'doctrine_annotation_array_assignment' => true,
+           'doctrine_annotation_braces' => true,
+           'doctrine_annotation_indentation' => true,
+           'doctrine_annotation_spaces' => true,
+           'escape_implicit_backslashes' => true,
+           'explicit_indirect_variable' => true,
+           'explicit_string_variable' => true,
+           'final_internal_class' => true,
+           'fully_qualified_strict_types' => true,
+           'general_phpdoc_annotation_remove' => false,
+           'header_comment' => false,
+           'heredoc_to_nowdoc' => false,
+           'linebreak_after_opening_tag' => true,
+           'list_syntax' => ['syntax' => 'short'],
+           'mb_str_functions' => true,
+           'method_chaining_indentation' => true,
+           'multiline_comment_opening_closing' => true,
+           'multiline_whitespace_before_semicolons' => true,
+           'native_function_invocation' => false,
+           'no_alternative_syntax' => true,
+           'no_blank_lines_before_namespace' => false,
+           'no_null_property_initialization' => true,
+           'no_php4_constructor' => true,
+           'echo_tag_syntax' => ['format'=> 'long'],
+           'no_superfluous_elseif' => true,
+           'no_unreachable_default_argument_value' => true,
+           'no_useless_else' => true,
+           'no_useless_return' => true,
+           'not_operator_with_space' => false,
+           'not_operator_with_successor_space' => false,
+           'ordered_class_elements' => false,
+           'ordered_imports' => true,
+           'php_unit_dedicate_assert' => false,
+           'php_unit_expectation' => false,
+           'php_unit_mock' => false,
+           'php_unit_namespaced' => false,
+           'php_unit_no_expectation_annotation' => false,
+           'phpdoc_order_by_value' => ['annotations' => ['covers']],
+           'php_unit_set_up_tear_down_visibility' => true,
+           'php_unit_strict' => false,
+           'php_unit_test_annotation' => false,
+           'php_unit_test_class_requires_covers' => false,
+           'php_unit_method_casing' => ['case' => 'snake_case'],
+           'phpdoc_add_missing_param_annotation' => true,
+           'phpdoc_order' => true,
+           'phpdoc_types_order' => ['null_adjustment' => 'always_last'],
+           'pow_to_exponentiation' => true,
+           'psr_autoloading' => ['dir' => 'src'],
+           'random_api_migration' => false,
+           'simplified_null_return' => true,
+           'static_lambda' => false,
+           'strict_comparison' => true,
+           'strict_param' => true,
+           'string_line_ending' => true,
+           'ternary_to_null_coalescing' => true,
+           'void_return' => true,
+           'yoda_style' => true,
+           'single_line_throw' => false,
+           'phpdoc_align' => ['align' => 'left'],
+           'phpdoc_to_comment' => false,
+           'global_namespace_import' => [
+               'import_classes' => true,
+               'import_constants' => true,
+               'import_functions' => true,
+           ],
+   ])
+;
diff --git a/.php_cs.dist b/.php_cs.dist
deleted file mode 100644
index 0372e68..0000000
--- a/.php_cs.dist
+++ /dev/null
@@ -1,83 +0,0 @@
-<?php
-
-return PhpCsFixer\Config::create()
-    ->setFinder(
-        \Symfony\Component\Finder\Finder::create()
-            ->in([
-                __DIR__ . '/src',
-                __DIR__ . '/test',
-            ])
-    )
-    ->setRiskyAllowed(true)
-    ->setRules([
-        '@Symfony' => true,
-        'align_multiline_comment' => true,
-        'array_indentation' => true,
-        'array_syntax' => ['syntax' => 'short'],
-        'backtick_to_shell_exec' => true,
-        'blank_line_before_statement' => true,
-        'class_keyword_remove' => false,
-        'combine_consecutive_issets' => true,
-        'combine_consecutive_unsets' => true,
-        'comment_to_phpdoc' => true,
-        'compact_nullable_typehint' => true,
-        'date_time_immutable' => true,
-        'declare_strict_types' => true,
-        'doctrine_annotation_array_assignment' => true,
-        'doctrine_annotation_braces' => true,
-        'doctrine_annotation_indentation' => true,
-        'doctrine_annotation_spaces' => true,
-        'escape_implicit_backslashes' => true,
-        'explicit_indirect_variable' => true,
-        'explicit_string_variable' => true,
-        'final_internal_class' => false,
-        'fully_qualified_strict_types' => true,
-        'general_phpdoc_annotation_remove' => false,
-        'header_comment' => false,
-        'heredoc_to_nowdoc' => false,
-        'linebreak_after_opening_tag' => true,
-        'list_syntax' => true,
-        'mb_str_functions' => true,
-        'method_chaining_indentation' => true,
-        'multiline_comment_opening_closing' => true,
-        'multiline_whitespace_before_semicolons' => true,
-        'native_function_invocation' => false,
-        'no_alternative_syntax' => true,
-        'no_blank_lines_before_namespace' => false,
-        'no_null_property_initialization' => true,
-        'no_php4_constructor' => true,
-        'no_short_echo_tag' => false,
-        'no_superfluous_elseif' => true,
-        'no_unreachable_default_argument_value' => true,
-        'no_useless_else' => true,
-        'no_useless_return' => true,
-        'not_operator_with_space' => false,
-        'not_operator_with_successor_space' => false,
-        'ordered_class_elements' => false,
-        'ordered_imports' => true,
-        'php_unit_dedicate_assert' => false,
-        'php_unit_expectation' => false,
-        'php_unit_mock' => false,
-        'php_unit_namespaced' => false,
-        'php_unit_no_expectation_annotation' => false,
-        'php_unit_ordered_covers' => true,
-        'php_unit_set_up_tear_down_visibility' => true,
-        'php_unit_strict' => false,
-        'php_unit_test_annotation' => false,
-        'php_unit_test_class_requires_covers' => false,
-        'phpdoc_add_missing_param_annotation' => true,
-        'phpdoc_order' => true,
-        'phpdoc_types_order' => ['null_adjustment' => 'always_last'],
-        'pow_to_exponentiation' => true,
-        'psr0' => true,
-        'random_api_migration' => false,
-        'simplified_null_return' => true,
-        'static_lambda' => false,
-        'strict_comparison' => true,
-        'strict_param' => true,
-        'string_line_ending' => true,
-        'ternary_to_null_coalescing' => true,
-        'void_return' => true,
-        'yoda_style' => true,
-    ])
-;
diff --git a/composer.json b/composer.json
index 47097af..a3e63b4 100644
--- a/composer.json
+++ b/composer.json
@@ -10,19 +10,19 @@
         }
     ],
     "require": {
-        "php": "^7.3 || ^8.0",
+        "php": "^8.0",
         "phpro/api-problem": "^1.0",
-        "symfony/dependency-injection": "^4.4|^5.0",
-        "symfony/event-dispatcher": "^4.4|^5.0",
-        "symfony/http-kernel": "^4.4|^5.0"
+        "symfony/dependency-injection": "^5.3 || ^6.0",
+        "symfony/event-dispatcher": "^5.3 || ^6.0",
+        "symfony/http-kernel": "^5.3 || ^6.0"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^2.16.7",
+        "friendsofphp/php-cs-fixer": "^3.3",
         "matthiasnoback/symfony-dependency-injection-test": "^4.2",
-        "phpro/grumphp-shim": "^1.2.0",
+        "phpro/grumphp-shim": "^1.6.0",
         "phpspec/prophecy-phpunit": "^2.0",
         "phpunit/phpunit": "^9.4",
-        "symfony/security-core": "^4.4|^5.0"
+        "symfony/security-core": "^5.3 || ^6.0"
     },
     "config": {
         "sort-packages": true
diff --git a/grumphp.yml.dist b/grumphp.yml.dist
index 26e8f1a..beb9e7e 100644
--- a/grumphp.yml.dist
+++ b/grumphp.yml.dist
@@ -1,7 +1,7 @@
 grumphp:
     tasks:
       phpcsfixer2:
-        config: ".php_cs.dist"
+        config: ".php-cs-fixer.dist.php"
         config_contains_finder: true
       phpunit: ~
       clover_coverage:
diff --git a/src/EventListener/JsonApiProblemExceptionListener.php b/src/EventListener/JsonApiProblemExceptionListener.php
index 3b8d8c7..d2a1f78 100644
--- a/src/EventListener/JsonApiProblemExceptionListener.php
+++ b/src/EventListener/JsonApiProblemExceptionListener.php
@@ -11,6 +11,7 @@
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Event\ExceptionEvent;
+use Throwable;
 
 class JsonApiProblemExceptionListener
 {
@@ -45,7 +46,7 @@ public function onKernelException(ExceptionEvent $event): void
         $event->setResponse($this->generateResponse($apiProblem));
     }
 
-    private function convertExceptionToProblem(\Throwable $exception): ApiProblemInterface
+    private function convertExceptionToProblem(Throwable $exception): ApiProblemInterface
     {
         if (!$this->exceptionTransformer->accepts($exception)) {
             return new ExceptionApiProblem($exception);
diff --git a/src/Transformer/ApiProblemExceptionTransformer.php b/src/Transformer/ApiProblemExceptionTransformer.php
index bbf0311..9315f9c 100644
--- a/src/Transformer/ApiProblemExceptionTransformer.php
+++ b/src/Transformer/ApiProblemExceptionTransformer.php
@@ -7,18 +7,19 @@
 use Phpro\ApiProblem\ApiProblemInterface;
 use Phpro\ApiProblem\Exception\ApiProblemException;
 use Phpro\ApiProblemBundle\Exception\ApiProblemHttpException;
+use Throwable;
 
 class ApiProblemExceptionTransformer implements ExceptionTransformerInterface
 {
     /**
      * @param ApiProblemException|ApiProblemHttpException $exception
      */
-    public function transform(\Throwable $exception): ApiProblemInterface
+    public function transform(Throwable $exception): ApiProblemInterface
     {
         return $exception->getApiProblem();
     }
 
-    public function accepts(\Throwable $exception): bool
+    public function accepts(Throwable $exception): bool
     {
         return $exception instanceof ApiProblemException || $exception instanceof ApiProblemHttpException;
     }
diff --git a/src/Transformer/Chain.php b/src/Transformer/Chain.php
index ddd7165..7438d3b 100644
--- a/src/Transformer/Chain.php
+++ b/src/Transformer/Chain.php
@@ -6,6 +6,7 @@
 
 use Phpro\ApiProblem\ApiProblemInterface;
 use Phpro\ApiProblem\Http\ExceptionApiProblem;
+use Throwable;
 
 class Chain implements ExceptionTransformerInterface
 {
@@ -21,7 +22,7 @@ public function __construct(iterable $transformers)
         }
     }
 
-    public function transform(\Throwable $exception): ApiProblemInterface
+    public function transform(Throwable $exception): ApiProblemInterface
     {
         foreach ($this->transformers as $transformer) {
             if ($transformer->accepts($exception)) {
@@ -32,7 +33,7 @@ public function transform(\Throwable $exception): ApiProblemInterface
         return new ExceptionApiProblem($exception);
     }
 
-    public function accepts(\Throwable $exception): bool
+    public function accepts(Throwable $exception): bool
     {
         return true;
     }
diff --git a/src/Transformer/ExceptionTransformerInterface.php b/src/Transformer/ExceptionTransformerInterface.php
index 7e3a551..9c58782 100644
--- a/src/Transformer/ExceptionTransformerInterface.php
+++ b/src/Transformer/ExceptionTransformerInterface.php
@@ -5,10 +5,11 @@
 namespace Phpro\ApiProblemBundle\Transformer;
 
 use Phpro\ApiProblem\ApiProblemInterface;
+use Throwable;
 
 interface ExceptionTransformerInterface
 {
-    public function transform(\Throwable $exception): ApiProblemInterface;
+    public function transform(Throwable $exception): ApiProblemInterface;
 
-    public function accepts(\Throwable $exception): bool;
+    public function accepts(Throwable $exception): bool;
 }
diff --git a/src/Transformer/HttpExceptionTransformer.php b/src/Transformer/HttpExceptionTransformer.php
index d26aaba..acd1ff6 100644
--- a/src/Transformer/HttpExceptionTransformer.php
+++ b/src/Transformer/HttpExceptionTransformer.php
@@ -7,13 +7,14 @@
 use Phpro\ApiProblem\ApiProblemInterface;
 use Phpro\ApiProblem\Http\ExceptionApiProblem;
 use Symfony\Component\HttpKernel\Exception\HttpException;
+use Throwable;
 
 class HttpExceptionTransformer implements ExceptionTransformerInterface
 {
     /**
      * @param HttpException $exception
      */
-    public function transform(\Throwable $exception): ApiProblemInterface
+    public function transform(Throwable $exception): ApiProblemInterface
     {
         return new ExceptionApiProblem(
             new HttpException(
@@ -26,7 +27,7 @@ public function transform(\Throwable $exception): ApiProblemInterface
         );
     }
 
-    public function accepts(\Throwable $exception): bool
+    public function accepts(Throwable $exception): bool
     {
         return $exception instanceof HttpException;
     }
diff --git a/src/Transformer/SecurityExceptionTransformer.php b/src/Transformer/SecurityExceptionTransformer.php
index 6f16ec1..5eb9855 100644
--- a/src/Transformer/SecurityExceptionTransformer.php
+++ b/src/Transformer/SecurityExceptionTransformer.php
@@ -9,10 +9,11 @@
 use Phpro\ApiProblem\Http\UnauthorizedProblem;
 use Symfony\Component\Security\Core\Exception\AuthenticationException;
 use Symfony\Component\Security\Core\Exception\ExceptionInterface as SecurityException;
+use Throwable;
 
 class SecurityExceptionTransformer implements ExceptionTransformerInterface
 {
-    public function transform(\Throwable $exception): ApiProblemInterface
+    public function transform(Throwable $exception): ApiProblemInterface
     {
         if ($exception instanceof AuthenticationException) {
             return new UnauthorizedProblem($exception->getMessage());
@@ -21,7 +22,7 @@ public function transform(\Throwable $exception): ApiProblemInterface
         return new ForbiddenProblem($exception->getMessage());
     }
 
-    public function accepts(\Throwable $exception): bool
+    public function accepts(Throwable $exception): bool
     {
         return $exception instanceof SecurityException;
     }
diff --git a/test/EventListener/JsonApiProblemExceptionListenerTest.php b/test/EventListener/JsonApiProblemExceptionListenerTest.php
index 3c68ef0..61e145b 100644
--- a/test/EventListener/JsonApiProblemExceptionListenerTest.php
+++ b/test/EventListener/JsonApiProblemExceptionListenerTest.php
@@ -4,6 +4,8 @@
 
 namespace PhproTest\ApiProblemBundle\EventListener;
 
+use Exception;
+use function json_encode;
 use Phpro\ApiProblem\ApiProblemInterface;
 use Phpro\ApiProblem\DebuggableApiProblemInterface;
 use Phpro\ApiProblem\Http\HttpApiProblem;
@@ -17,6 +19,7 @@
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Event\ExceptionEvent;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Throwable;
 
 /** @covers \Phpro\ApiProblemBundle\EventListener\JsonApiProblemExceptionListener */
 class JsonApiProblemExceptionListenerTest extends TestCase
@@ -34,7 +37,7 @@ class JsonApiProblemExceptionListenerTest extends TestCase
     private $event;
 
     /**
-     * @var \Throwable
+     * @var Throwable
      */
     private $exception;
 
@@ -47,7 +50,7 @@ protected function setUp(): void
     {
         $this->request = $this->prophesize(Request::class);
         $httpKernel = $this->prophesize(HttpKernelInterface::class);
-        $this->exception = new \Exception('error');
+        $this->exception = new Exception('error');
         $this->event = new ExceptionEvent(
             $httpKernel->reveal(),
             $this->request->reveal(),
@@ -123,8 +126,8 @@ public function it_uses_an_exception_transformer(): void
         $apiProblem = $this->prophesize(ApiProblemInterface::class);
         $apiProblem->toArray()->willReturn([]);
 
-        $this->exceptionTransformer->accepts(Argument::type(\Exception::class))->willReturn(true);
-        $this->exceptionTransformer->transform(Argument::type(\Exception::class))->willReturn($apiProblem->reveal());
+        $this->exceptionTransformer->accepts(Argument::type(Exception::class))->willReturn(true);
+        $this->exceptionTransformer->transform(Argument::type(Exception::class))->willReturn($apiProblem->reveal());
 
         $listener->onKernelException($this->event);
         $this->assertApiProblemWithResponseBody(400, []);
@@ -140,8 +143,8 @@ public function it_returns_the_status_code_from_the_api_problem(): void
         $apiProblem = $this->prophesize(ApiProblemInterface::class);
         $apiProblem->toArray()->willReturn(['status' => 123]);
 
-        $this->exceptionTransformer->accepts(Argument::type(\Exception::class))->willReturn(true);
-        $this->exceptionTransformer->transform(Argument::type(\Exception::class))->willReturn($apiProblem->reveal());
+        $this->exceptionTransformer->accepts(Argument::type(Exception::class))->willReturn(true);
+        $this->exceptionTransformer->transform(Argument::type(Exception::class))->willReturn($apiProblem->reveal());
 
         $listener->onKernelException($this->event);
         $this->assertApiProblemWithResponseBody(123, ['status' => 123]);
@@ -174,7 +177,7 @@ private function assertApiProblemWithResponseBody(int $expectedResponseCode, arr
         $this->assertSame($expectedResponseCode, $response->getStatusCode());
         $this->assertSame('application/problem+json', $response->headers->get('Content-Type'));
         $this->assertJsonStringEqualsJsonString(
-            \json_encode($expectedData),
+            json_encode($expectedData),
             $this->event->getResponse()->getContent()
         );
     }
diff --git a/test/Exception/ApiProblemHttpExceptionTest.php b/test/Exception/ApiProblemHttpExceptionTest.php
index c6ed8fa..f7ddd77 100644
--- a/test/Exception/ApiProblemHttpExceptionTest.php
+++ b/test/Exception/ApiProblemHttpExceptionTest.php
@@ -28,7 +28,7 @@ protected function setUp(): void/* The :void return type declaration that should
     }
 
     /** @test */
-    public function it_is_accepted_by_the_ApiProblemExceptionTransformer(): void
+    public function it_is_accepted_by_the__api_problem_exception_transformer(): void
     {
         $transformer = new ApiProblemExceptionTransformer();
 
@@ -36,7 +36,7 @@ public function it_is_accepted_by_the_ApiProblemExceptionTransformer(): void
     }
 
     /** @test */
-    public function it_is_an_instance_of_HttpException(): void
+    public function it_is_an_instance_of__http_exception(): void
     {
         $exception = new ApiProblemHttpException($this->apiProblem->reveal());
 
diff --git a/test/Transformer/ApiProblemExceptionTransformerTest.php b/test/Transformer/ApiProblemExceptionTransformerTest.php
index 06afad3..43eced2 100644
--- a/test/Transformer/ApiProblemExceptionTransformerTest.php
+++ b/test/Transformer/ApiProblemExceptionTransformerTest.php
@@ -4,6 +4,7 @@
 
 namespace PhproTest\ApiProblemBundle\Transformer;
 
+use Exception;
 use Phpro\ApiProblem\ApiProblemInterface;
 use Phpro\ApiProblem\Exception\ApiProblemException;
 use Phpro\ApiProblemBundle\Transformer\ApiProblemExceptionTransformer;
@@ -43,7 +44,7 @@ public function it_accepts_api_problem_exceptions(): void
         $transformer = new ApiProblemExceptionTransformer();
 
         $this->assertTrue($transformer->accepts(new ApiProblemException($this->apiProblem->reveal())));
-        $this->assertFalse($transformer->accepts(new \Exception()));
+        $this->assertFalse($transformer->accepts(new Exception()));
     }
 
     /** @test */
diff --git a/test/Transformer/ChainTest.php b/test/Transformer/ChainTest.php
index aac43fc..e5a8545 100644
--- a/test/Transformer/ChainTest.php
+++ b/test/Transformer/ChainTest.php
@@ -4,6 +4,7 @@
 
 namespace PhproTest\ApiProblemBundle\Transformer;
 
+use Exception;
 use Phpro\ApiProblem\ApiProblemInterface;
 use Phpro\ApiProblem\Http\ExceptionApiProblem;
 use Phpro\ApiProblemBundle\Transformer\Chain;
@@ -31,7 +32,7 @@ public function it_is_an_exception_transformer(): void
     public function it_accepts_any_exception(): void
     {
         $transformer = new Chain([]);
-        $this->assertTrue($transformer->accepts(new \Exception()));
+        $this->assertTrue($transformer->accepts(new Exception()));
     }
 
     /** @test */
@@ -43,7 +44,7 @@ public function it_transforms_with_first_acceptable_transformer(): void
             $this->mockTransformer(true, $apiProblem2 = $this->prophesize(ApiProblemInterface::class)->reveal()),
         ]);
 
-        $this->assertEquals($apiProblem1, $transformer->transform(new \Exception()));
+        $this->assertEquals($apiProblem1, $transformer->transform(new Exception()));
     }
 
     /** @test */
@@ -51,7 +52,7 @@ public function it_transforms_to_basic_exception_problem_when_no_transformer_mat
     {
         $transformer = new Chain([$this->mockTransformer(false)]);
 
-        $this->assertInstanceOf(ExceptionApiProblem::class, $transformer->transform(new \Exception()));
+        $this->assertInstanceOf(ExceptionApiProblem::class, $transformer->transform(new Exception()));
     }
 
     private function mockTransformer(bool $accepts, ?ApiProblemInterface $apiProblem = null): ExceptionTransformerInterface
diff --git a/test/Transformer/HttpExceptionTransformerTest.php b/test/Transformer/HttpExceptionTransformerTest.php
index da92fa8..b58fe14 100644
--- a/test/Transformer/HttpExceptionTransformerTest.php
+++ b/test/Transformer/HttpExceptionTransformerTest.php
@@ -4,6 +4,7 @@
 
 namespace PhproTest\ApiProblemBundle\Transformer;
 
+use Exception;
 use Phpro\ApiProblem\Http\ExceptionApiProblem;
 use Phpro\ApiProblem\Http\HttpApiProblem;
 use Phpro\ApiProblemBundle\Transformer\ExceptionTransformerInterface;
@@ -29,7 +30,7 @@ public function it_accepts_api_problem_exceptions(): void
         $transformer = new HttpExceptionTransformer();
 
         $this->assertTrue($transformer->accepts(new HttpException(400, 'Bad Request')));
-        $this->assertFalse($transformer->accepts(new \Exception()));
+        $this->assertFalse($transformer->accepts(new Exception()));
     }
 
     /** @test */
diff --git a/test/Transformer/SecurityExceptionTransformerTest.php b/test/Transformer/SecurityExceptionTransformerTest.php
index c09f04c..5e81857 100644
--- a/test/Transformer/SecurityExceptionTransformerTest.php
+++ b/test/Transformer/SecurityExceptionTransformerTest.php
@@ -4,6 +4,7 @@
 
 namespace PhproTest\ApiProblemBundle\Transformer;
 
+use Exception;
 use Phpro\ApiProblem\Http\ForbiddenProblem;
 use Phpro\ApiProblem\Http\HttpApiProblem;
 use Phpro\ApiProblem\Http\UnauthorizedProblem;
@@ -32,7 +33,7 @@ public function it_accepts_api_problem_exceptions(): void
         $transformer = new SecurityExceptionTransformer();
 
         $this->assertTrue($transformer->accepts(new RuntimeException()));
-        $this->assertFalse($transformer->accepts(new \Exception()));
+        $this->assertFalse($transformer->accepts(new Exception()));
     }
 
     /** @test */