diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index c38e6e2..ffd1108 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -17,12 +17,10 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder(): TreeBuilder
     {		
-        $treeBuilder = new TreeBuilder('padam87_form_filter');
-
         // Here you should define the parameters that are allowed to
         // configure your bundle. See the documentation linked above for
         // more information on that topic.
 
-        return $treeBuilder;
+        return new TreeBuilder('padam87_form_filter');
     }
 }
diff --git a/DependencyInjection/Padam87FormFilterExtension.php b/DependencyInjection/Padam87FormFilterExtension.php
index 11c5572..eca10d7 100644
--- a/DependencyInjection/Padam87FormFilterExtension.php
+++ b/DependencyInjection/Padam87FormFilterExtension.php
@@ -2,10 +2,10 @@
 
 namespace Padam87\FormFilterBundle\DependencyInjection;
 
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
-use Symfony\Component\DependencyInjection\Loader;
 
 /**
  * This is the class that loads and manages your bundle configuration.
@@ -20,9 +20,9 @@ class Padam87FormFilterExtension extends Extension
     public function load(array $configs, ContainerBuilder $container): void
     {
         $configuration = new Configuration();
-        $config = $this->processConfiguration($configuration, $configs);
+        $this->processConfiguration($configuration, $configs);
 
-        $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader = new YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.yml');
     }
 }
diff --git a/Form/RangeFilterType.php b/Form/RangeFilterType.php
index 6ef4965..5dad973 100644
--- a/Form/RangeFilterType.php
+++ b/Form/RangeFilterType.php
@@ -4,8 +4,6 @@
 
 use Doctrine\ORM\QueryBuilder;
 use Symfony\Component\Form\AbstractType;
-use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
-use Symfony\Component\Form\Extension\Core\Type\DateType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\Options;
@@ -42,26 +40,24 @@ public function configureOptions(OptionsResolver $resolver): void
                     'to_field_type' => TextType::class,
                     'to_field_options' => [],
                     'to_field_expr' => 'lte',
-                    'filter' => function (Options $options) {
-                        return function(QueryBuilder $qb, string $alias, array $value, string $field) use ($options): void {
-                            if ($value['from'] != null) {
-                                $parameter = $this->getParameterName($alias, $field, 'from');
+                    'filter' => fn(Options $options) => function(QueryBuilder $qb, string $alias, array $value, string $field) use ($options): void {
+                        if ($value['from'] != null) {
+                            $parameter = $this->getParameterName($alias, $field, 'from');
 
-                                $qb
-                                    ->andWhere($qb->expr()->{$options['from_field_expr']}($alias . '.' . $field, ':' . $parameter))
-                                    ->setParameter($parameter, $value['from'])
-                                ;
-                            }
-                            
-                            if ($value['to'] != null) {
-                                $parameter = $this->getParameterName($alias, $field, 'to');
+                            $qb
+                                ->andWhere($qb->expr()->{$options['from_field_expr']}($alias . '.' . $field, ':' . $parameter))
+                                ->setParameter($parameter, $value['from'])
+                            ;
+                        }
+                        
+                        if ($value['to'] != null) {
+                            $parameter = $this->getParameterName($alias, $field, 'to');
 
-                                $qb
-                                    ->andWhere($qb->expr()->{$options['to_field_expr']}($alias . '.' . $field, ':' . $parameter))
-                                    ->setParameter($parameter, $value['to'])
-                                ;
-                            }
-                        };
+                            $qb
+                                ->andWhere($qb->expr()->{$options['to_field_expr']}($alias . '.' . $field, ':' . $parameter))
+                                ->setParameter($parameter, $value['to'])
+                            ;
+                        }
                     },
                 ]
             )
diff --git a/Service/Filters.php b/Service/Filters.php
index fb124ef..1324aae 100644
--- a/Service/Filters.php
+++ b/Service/Filters.php
@@ -9,7 +9,7 @@ class Filters
 {
     public function apply(QueryBuilder $qb, FormInterface $filters, ?string $rootAlias = null): void
     {
-        $rootAlias = $rootAlias ?? $qb->getRootAliases()[0];
+        $rootAlias ??= $qb->getRootAliases()[0];
 
         foreach ($filters->all() as $name => $filter) {
             $ignoreNull = $filter->getConfig()->getOption('filter_ignore_null');
diff --git a/composer.json b/composer.json
index 48af961..5a6c06c 100644
--- a/composer.json
+++ b/composer.json
@@ -19,12 +19,10 @@
     "psr-4": {"Padam87\\FormFilterBundle\\": ""}
   },
   "require": {
-    "php": "^8.0",
-    "symfony/config": "^6.0 || ^7.0",
-    "symfony/dependency-injection": "^6.0 || ^7.0",
-    "symfony/form": "^6.0 || ^7.0",
-    "doctrine/orm": "^2.3 || ^3.0"
-  },
-  "suggest": {
+    "php": "^8.4",
+    "symfony/config": "^6.0 || ^7.0 || ^8.0",
+    "symfony/dependency-injection": "^6.0 || ^7.0 || ^8.0",
+    "symfony/form": "^6.0 || ^7.0 || ^8.0",
+    "doctrine/orm": "^2.3 || ^3.0 || ^8.0"
   }
 }