diff --git a/.github/workflows/qa.yml b/.github/workflows/qa.yml
index 5eeb21f9..4e8eed14 100644
--- a/.github/workflows/qa.yml
+++ b/.github/workflows/qa.yml
@@ -9,12 +9,14 @@ jobs:
 
     steps:
       - uses: actions/checkout@master
+
       - name: Delete composer files to avoid installing dependencies
         run: rm -v composer.json
+
       - name: PHP-CS-Fixer
-        uses: docker://jakzal/phpqa:1.80.0-php7.4-alpine
+        uses: docker://jakzal/phpqa:1.96.3-php8.2-alpine
         with:
-          args: php-cs-fixer --dry-run --diff --no-interaction --ansi fix
+          args: php-cs-fixer --dry-run --diff --no-interaction --ansi fix --show-progress none
 
   composer-validate:
     name: Composer validate
diff --git a/doc/contributing.md b/doc/contributing.md
index 35467ad2..9a49cc50 100644
--- a/doc/contributing.md
+++ b/doc/contributing.md
@@ -23,3 +23,11 @@ Now you can execute the tests with the following command:
 ```bash
 docker-compose exec php-fpm ./vendor/bin/phpunit --exclude-group ""
 ```
+
+## Apply changes suggested by PHP-CS-Fixer
+
+Use it through Docker:
+
+```bash
+docker run --rm -it --volume .:/app --workdir /app jakzal/phpqa:1.96.3-php8.2-alpine php-cs-fixer --diff --no-interaction --ansi fix --show-progress none
+```
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index 37c4b346..e3615792 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -21,9 +21,6 @@
  */
 class Configuration implements ConfigurationInterface
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder('liip_test_fixtures');
diff --git a/src/Factory/ConnectionFactory.php b/src/Factory/ConnectionFactory.php
index 80740c50..ab183640 100644
--- a/src/Factory/ConnectionFactory.php
+++ b/src/Factory/ConnectionFactory.php
@@ -27,12 +27,9 @@ class ConnectionFactory extends BaseConnectionFactory
     /**
      * Create a connection by name.
      *
-     * @param Configuration $config
-     * @param EventManager  $eventManager
-     *
      * @return Connection
      */
-    public function createConnection(array $params, Configuration $config = null, EventManager $eventManager = null, array $mappingTypes = [])
+    public function createConnection(array $params, ?Configuration $config = null, ?EventManager $eventManager = null, array $mappingTypes = [])
     {
         return parent::createConnection($params, $config, $eventManager, $mappingTypes);
     }
diff --git a/src/Services/DatabaseToolCollection.php b/src/Services/DatabaseToolCollection.php
index efc35838..f72c1a13 100644
--- a/src/Services/DatabaseToolCollection.php
+++ b/src/Services/DatabaseToolCollection.php
@@ -48,7 +48,7 @@ public function add(AbstractDatabaseTool $databaseTool): void
         $this->items[$databaseTool->getType()][$databaseTool->getDriverName()] = $databaseTool;
     }
 
-    public function get($omName = null, $registryName = 'doctrine', int $purgeMode = null): AbstractDatabaseTool
+    public function get($omName = null, $registryName = 'doctrine', ?int $purgeMode = null): AbstractDatabaseTool
     {
         /** @var ManagerRegistry $registry */
         $registry = $this->container->get($registryName);
diff --git a/src/Services/DatabaseTools/AbstractDatabaseTool.php b/src/Services/DatabaseTools/AbstractDatabaseTool.php
index bca47e83..495d36a5 100644
--- a/src/Services/DatabaseTools/AbstractDatabaseTool.php
+++ b/src/Services/DatabaseTools/AbstractDatabaseTool.php
@@ -96,7 +96,7 @@ public function isDatabaseCacheEnabled(): bool
         return $this->databaseCacheEnabled;
     }
 
-    public function setObjectManagerName(string $omName = null): void
+    public function setObjectManagerName(?string $omName = null): void
     {
         $this->omName = $omName;
         $this->om = $this->registry->getManager($omName);
@@ -107,7 +107,7 @@ public function setRegistryName(string $registryName): void
         $this->registryName = $registryName;
     }
 
-    public function setPurgeMode(int $purgeMode = null): void
+    public function setPurgeMode(?int $purgeMode = null): void
     {
         $this->purgeMode = $purgeMode;
     }
@@ -151,7 +151,7 @@ public function loadAllFixtures(array $groups = []): ?AbstractExecutor
             $loader = $this->container->get('test.service_container')->get('doctrine.fixtures.loader');
             $fixtures = $loader->getFixtures($groups);
             foreach ($fixtures as $fixture) {
-                $fixtureClasses[] = \get_class($fixture);
+                $fixtureClasses[] = $fixture::class;
             }
         }
 
diff --git a/src/Services/DatabaseTools/AbstractDbalDatabaseTool.php b/src/Services/DatabaseTools/AbstractDbalDatabaseTool.php
index 7392f199..30ce62e0 100755
--- a/src/Services/DatabaseTools/AbstractDbalDatabaseTool.php
+++ b/src/Services/DatabaseTools/AbstractDbalDatabaseTool.php
@@ -22,7 +22,7 @@ abstract class AbstractDbalDatabaseTool extends AbstractDatabaseTool
 {
     protected Connection $connection;
 
-    public function setObjectManagerName(string $omName = null): void
+    public function setObjectManagerName(?string $omName = null): void
     {
         parent::setObjectManagerName($omName);
         $this->connection = $this->registry->getConnection($omName);
diff --git a/src/Services/DatabaseTools/MongoDBDatabaseTool.php b/src/Services/DatabaseTools/MongoDBDatabaseTool.php
index 2c68ab52..9d952920 100644
--- a/src/Services/DatabaseTools/MongoDBDatabaseTool.php
+++ b/src/Services/DatabaseTools/MongoDBDatabaseTool.php
@@ -101,7 +101,7 @@ public function loadFixtures(array $classNames = [], bool $append = false): Abst
         return $executor;
     }
 
-    protected function getExecutor(MongoDBPurger $purger = null): MongoDBExecutor
+    protected function getExecutor(?MongoDBPurger $purger = null): MongoDBExecutor
     {
         return new MongoDBExecutor($this->om, $purger);
     }
diff --git a/src/Services/DatabaseTools/ORMDatabaseTool.php b/src/Services/DatabaseTools/ORMDatabaseTool.php
index 7026133c..60c26b6c 100644
--- a/src/Services/DatabaseTools/ORMDatabaseTool.php
+++ b/src/Services/DatabaseTools/ORMDatabaseTool.php
@@ -141,7 +141,7 @@ public function loadFixtures(array $classNames = [], bool $append = false): Abst
         return $executor;
     }
 
-    protected function getExecutor(ORMPurger $purger = null): ORMExecutor
+    protected function getExecutor(?ORMPurger $purger = null): ORMExecutor
     {
         return new ORMExecutor($this->om, $purger);
     }
diff --git a/src/Services/FixturesLoaderFactory.php b/src/Services/FixturesLoaderFactory.php
index d3afc18f..062e83cd 100644
--- a/src/Services/FixturesLoaderFactory.php
+++ b/src/Services/FixturesLoaderFactory.php
@@ -27,7 +27,7 @@ final class FixturesLoaderFactory implements FixturesLoaderFactoryInterface
 
     private ?SymfonyFixturesLoader $loader;
 
-    public function __construct(ContainerInterface $container, SymfonyFixturesLoader $loader = null)
+    public function __construct(ContainerInterface $container, ?SymfonyFixturesLoader $loader = null)
     {
         $this->container = $container;
         $this->loader = $loader;
diff --git a/src/Services/MongoDBFixturesLoaderFactory.php b/src/Services/MongoDBFixturesLoaderFactory.php
index 936840b7..546ee791 100755
--- a/src/Services/MongoDBFixturesLoaderFactory.php
+++ b/src/Services/MongoDBFixturesLoaderFactory.php
@@ -24,7 +24,7 @@ class MongoDBFixturesLoaderFactory implements FixturesLoaderFactoryInterface
 
     private ?SymfonyFixturesLoader $loader;
 
-    public function __construct(ContainerInterface $container, SymfonyFixturesLoader $loader = null)
+    public function __construct(ContainerInterface $container, ?SymfonyFixturesLoader $loader = null)
     {
         $this->container = $container;
         $this->loader = $loader;
diff --git a/tests/App/DataFixtures/ORM/LoadDependentUserData.php b/tests/App/DataFixtures/ORM/LoadDependentUserData.php
index 51063412..c866cd76 100644
--- a/tests/App/DataFixtures/ORM/LoadDependentUserData.php
+++ b/tests/App/DataFixtures/ORM/LoadDependentUserData.php
@@ -20,9 +20,6 @@
 
 class LoadDependentUserData extends AbstractFixture implements DependentFixtureInterface
 {
-    /**
-     * {@inheritdoc}
-     */
     public function load(ObjectManager $manager): void
     {
         /** @var User $user */
@@ -41,9 +38,6 @@ public function load(ObjectManager $manager): void
         $manager->flush();
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function getDependencies(): array
     {
         return [
diff --git a/tests/App/DataFixtures/ORM/LoadDependentUserWithServiceData.php b/tests/App/DataFixtures/ORM/LoadDependentUserWithServiceData.php
index 003198b0..a0e36061 100644
--- a/tests/App/DataFixtures/ORM/LoadDependentUserWithServiceData.php
+++ b/tests/App/DataFixtures/ORM/LoadDependentUserWithServiceData.php
@@ -29,9 +29,6 @@ public function __construct(DummyService $dummyService)
         $this->dummyService = $dummyService;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function load(ObjectManager $manager): void
     {
         /** @var User $user */
@@ -51,9 +48,6 @@ public function load(ObjectManager $manager): void
         $manager->flush();
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function getDependencies(): array
     {
         return [
diff --git a/tests/App/DataFixtures/ORM/LoadSecondUserData.php b/tests/App/DataFixtures/ORM/LoadSecondUserData.php
index e5979767..6e76f556 100644
--- a/tests/App/DataFixtures/ORM/LoadSecondUserData.php
+++ b/tests/App/DataFixtures/ORM/LoadSecondUserData.php
@@ -19,9 +19,6 @@
 
 class LoadSecondUserData extends AbstractFixture
 {
-    /**
-     * {@inheritdoc}
-     */
     public function load(ObjectManager $manager): void
     {
         $user = new User();
diff --git a/tests/App/DataFixtures/ORM/LoadUserData.php b/tests/App/DataFixtures/ORM/LoadUserData.php
index 19b4b652..59b30983 100644
--- a/tests/App/DataFixtures/ORM/LoadUserData.php
+++ b/tests/App/DataFixtures/ORM/LoadUserData.php
@@ -19,9 +19,6 @@
 
 class LoadUserData extends AbstractFixture
 {
-    /**
-     * {@inheritdoc}
-     */
     public function load(ObjectManager $manager): void
     {
         $user = new User();
diff --git a/tests/App/DataFixtures/ORM/LoadUserDataInGroup.php b/tests/App/DataFixtures/ORM/LoadUserDataInGroup.php
index bd95b225..9baf023b 100644
--- a/tests/App/DataFixtures/ORM/LoadUserDataInGroup.php
+++ b/tests/App/DataFixtures/ORM/LoadUserDataInGroup.php
@@ -23,9 +23,6 @@
  */
 class LoadUserDataInGroup extends AbstractFixture implements FixtureGroupInterface
 {
-    /**
-     * {@inheritdoc}
-     */
     public function load(ObjectManager $manager): void
     {
         $user = new User();
@@ -53,9 +50,6 @@ public function load(ObjectManager $manager): void
         $manager->flush();
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public static function getGroups(): array
     {
         return ['myGroup'];
diff --git a/tests/App/DataFixtures/ORM/LoadUserWithServiceData.php b/tests/App/DataFixtures/ORM/LoadUserWithServiceData.php
index 369de2e3..0ef66829 100644
--- a/tests/App/DataFixtures/ORM/LoadUserWithServiceData.php
+++ b/tests/App/DataFixtures/ORM/LoadUserWithServiceData.php
@@ -31,9 +31,6 @@ public function __construct(DummyService $dummyService)
         $this->dummyService = $dummyService;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function load(ObjectManager $manager): void
     {
         $user = new User();
diff --git a/tests/App/Entity/User.php b/tests/App/Entity/User.php
index a77b4632..2e328824 100644
--- a/tests/App/Entity/User.php
+++ b/tests/App/Entity/User.php
@@ -18,6 +18,7 @@
 
 /**
  * @ORM\Entity
+ *
  * @ORM\Table(name="liip_user")
  */
 #[ORM\Entity]
@@ -26,7 +27,9 @@ class User
 {
     /**
      * @ORM\Id
+     *
      * @ORM\Column(type="integer")
+     *
      * @ORM\GeneratedValue(strategy="AUTO")
      */
     #[ORM\Id]
diff --git a/tests/AppConfig/AppConfigKernel.php b/tests/AppConfig/AppConfigKernel.php
index 3b1a067b..66ce1aa2 100644
--- a/tests/AppConfig/AppConfigKernel.php
+++ b/tests/AppConfig/AppConfigKernel.php
@@ -19,9 +19,6 @@
 
 class AppConfigKernel extends AppConfigSqliteKernel
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getCacheDir(): string
     {
         return __DIR__.'/var/cache/';
diff --git a/tests/AppConfigEvents/AppConfigEventsKernel.php b/tests/AppConfigEvents/AppConfigEventsKernel.php
index 8a63fc22..4fb5f44f 100644
--- a/tests/AppConfigEvents/AppConfigEventsKernel.php
+++ b/tests/AppConfigEvents/AppConfigEventsKernel.php
@@ -19,9 +19,6 @@
 
 class AppConfigEventsKernel extends AppConfigKernel
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getCacheDir(): string
     {
         return __DIR__.'/var/cache/';
diff --git a/tests/AppConfigMongodb/AppConfigMongodbKernel.php b/tests/AppConfigMongodb/AppConfigMongodbKernel.php
index 14cfa9c3..799ae821 100755
--- a/tests/AppConfigMongodb/AppConfigMongodbKernel.php
+++ b/tests/AppConfigMongodb/AppConfigMongodbKernel.php
@@ -20,9 +20,6 @@
 
 class AppConfigMongodbKernel extends AppConfigKernel
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getCacheDir(): string
     {
         return __DIR__.'/var/cache/';
diff --git a/tests/AppConfigMongodb/DataFixtures/MongoDB/LoadUserDataFixture.php b/tests/AppConfigMongodb/DataFixtures/MongoDB/LoadUserDataFixture.php
index ca8809b2..f18f2d2d 100755
--- a/tests/AppConfigMongodb/DataFixtures/MongoDB/LoadUserDataFixture.php
+++ b/tests/AppConfigMongodb/DataFixtures/MongoDB/LoadUserDataFixture.php
@@ -20,13 +20,10 @@
 
 class LoadUserDataFixture extends Fixture
 {
-    /**
-     * {@inheritdoc}
-     */
     public function load(ObjectManager $manager): void
     {
         if (!$manager instanceof DocumentManager) {
-            $class = \get_class($manager);
+            $class = $manager::class;
 
             throw new \RuntimeException("Fixture requires a MongoDB ODM DocumentManager instance, instance of '{$class}' given.");
         }
diff --git a/tests/AppConfigMongodb/Document/User.php b/tests/AppConfigMongodb/Document/User.php
index bbc7f127..74a85ab9 100755
--- a/tests/AppConfigMongodb/Document/User.php
+++ b/tests/AppConfigMongodb/Document/User.php
@@ -21,16 +21,16 @@ class User
     #[ODM\Id]
     private ?string $id = null;
 
-    #[ODM\Field(type: "string")]
+    #[ODM\Field(type: 'string')]
     private string $name;
 
-    #[ODM\Field(type: "string")]
+    #[ODM\Field(type: 'string')]
     private string $salt;
 
-    #[ODM\Field(type: "string")]
+    #[ODM\Field(type: 'string')]
     private string $email;
 
-    #[ODM\Field(type: "string")]
+    #[ODM\Field(type: 'string')]
     private ?string $dummyText = null;
 
     public function __construct()
diff --git a/tests/AppConfigMysql/AppConfigMysqlKernel.php b/tests/AppConfigMysql/AppConfigMysqlKernel.php
index 42c40e1c..efb96682 100644
--- a/tests/AppConfigMysql/AppConfigMysqlKernel.php
+++ b/tests/AppConfigMysql/AppConfigMysqlKernel.php
@@ -19,9 +19,6 @@
 
 class AppConfigMysqlKernel extends AppKernel
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getCacheDir(): string
     {
         return __DIR__.'/var/cache/';
diff --git a/tests/AppConfigMysqlCacheDb/AppConfigMysqlKernelCacheDb.php b/tests/AppConfigMysqlCacheDb/AppConfigMysqlKernelCacheDb.php
index 6d17b9b5..48cb78a8 100644
--- a/tests/AppConfigMysqlCacheDb/AppConfigMysqlKernelCacheDb.php
+++ b/tests/AppConfigMysqlCacheDb/AppConfigMysqlKernelCacheDb.php
@@ -19,9 +19,6 @@
 
 class AppConfigMysqlKernelCacheDb extends AppConfigMysqlKernel
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getCacheDir(): string
     {
         return __DIR__.'/var/cache/';
diff --git a/tests/AppConfigMysqlKeepDatabaseAndSchema/AppConfigMysqlKernelKeepDatabaseAndSchema.php b/tests/AppConfigMysqlKeepDatabaseAndSchema/AppConfigMysqlKernelKeepDatabaseAndSchema.php
index 29a76bfa..7c7758c9 100644
--- a/tests/AppConfigMysqlKeepDatabaseAndSchema/AppConfigMysqlKernelKeepDatabaseAndSchema.php
+++ b/tests/AppConfigMysqlKeepDatabaseAndSchema/AppConfigMysqlKernelKeepDatabaseAndSchema.php
@@ -19,9 +19,6 @@
 
 class AppConfigMysqlKernelKeepDatabaseAndSchema extends AppConfigMysqlKernel
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getCacheDir(): string
     {
         return __DIR__.'/var/cache/';
diff --git a/tests/AppConfigMysqlUrl/AppConfigMysqlUrlKernel.php b/tests/AppConfigMysqlUrl/AppConfigMysqlUrlKernel.php
index a6fd263d..62561444 100644
--- a/tests/AppConfigMysqlUrl/AppConfigMysqlUrlKernel.php
+++ b/tests/AppConfigMysqlUrl/AppConfigMysqlUrlKernel.php
@@ -19,9 +19,6 @@
 
 class AppConfigMysqlUrlKernel extends AppKernel
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getCacheDir(): string
     {
         return __DIR__.'/var/cache/';
diff --git a/tests/AppConfigPgsql/AppConfigPgsqlKernel.php b/tests/AppConfigPgsql/AppConfigPgsqlKernel.php
index c18bf017..be2c4a10 100644
--- a/tests/AppConfigPgsql/AppConfigPgsqlKernel.php
+++ b/tests/AppConfigPgsql/AppConfigPgsqlKernel.php
@@ -19,9 +19,6 @@
 
 class AppConfigPgsqlKernel extends AppKernel
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getCacheDir(): string
     {
         return __DIR__.'/var/cache/';
diff --git a/tests/AppConfigSqlite/AppConfigSqliteKernel.php b/tests/AppConfigSqlite/AppConfigSqliteKernel.php
index 48def4b4..a75ea7c2 100644
--- a/tests/AppConfigSqlite/AppConfigSqliteKernel.php
+++ b/tests/AppConfigSqlite/AppConfigSqliteKernel.php
@@ -19,9 +19,6 @@
 
 class AppConfigSqliteKernel extends AppKernel
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getCacheDir(): string
     {
         return __DIR__.'/var/cache/';
diff --git a/tests/AppConfigSqliteUrl/AppConfigSqliteUrlKernel.php b/tests/AppConfigSqliteUrl/AppConfigSqliteUrlKernel.php
index 75e83a06..41b3f0d9 100644
--- a/tests/AppConfigSqliteUrl/AppConfigSqliteUrlKernel.php
+++ b/tests/AppConfigSqliteUrl/AppConfigSqliteUrlKernel.php
@@ -19,9 +19,6 @@
 
 class AppConfigSqliteUrlKernel extends AppKernel
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getCacheDir(): string
     {
         return __DIR__.'/var/cache/';
diff --git a/tests/Test/ConfigMongodbTest.php b/tests/Test/ConfigMongodbTest.php
index 2ad83367..1155ea6a 100755
--- a/tests/Test/ConfigMongodbTest.php
+++ b/tests/Test/ConfigMongodbTest.php
@@ -75,7 +75,7 @@ public function testLoadFixturesMongodb(): void
         ]);
 
         $this->assertInstanceOf(
-            \Doctrine\Common\DataFixtures\Executor\MongoDBExecutor::class,
+            Doctrine\Common\DataFixtures\Executor\MongoDBExecutor::class,
             $fixtures
         );