diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 94ba398..5459046 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,11 +30,16 @@ jobs:
                       deps: stable
                       symfony: '^4.4'
 
-                    # Test latest php/Symfony
+                    # Test Symfony 6
                     - php: 8.1
                       deps: stable
                       symfony: '^6.0'
 
+                    # Test latest php/Symfony
+                    - php: 8.3
+                      deps: stable
+                      symfony: '^7.0'
+
         steps:
             - name: Checkout code
               uses: 'actions/checkout@v2'
diff --git a/composer.json b/composer.json
index 17315c1..c77aa96 100644
--- a/composer.json
+++ b/composer.json
@@ -18,19 +18,19 @@
     "require": {
         "php": ">=7.2.9",
         "ext-xml": "*",
-        "symfony/dependency-injection": "^4.4|^5.0|^6.0",
-        "symfony/http-kernel": "^4.4|^5.0|^6.0",
+        "symfony/dependency-injection": "^4.4|^5.0|^6.0|^7.0",
+        "symfony/http-kernel": "^4.4|^5.0|^6.0|^7.0",
         "symfony/security-acl": "^3.0",
-        "symfony/security-bundle": "^4.4|^5.0|^6.0"
+        "symfony/security-bundle": "^4.4|^5.0|^6.0|^7.0"
     },
     "require-dev": {
         "doctrine/doctrine-bundle": "^1.6.12|^2.0",
         "doctrine/dbal": "^2.13.1|^3.1",
         "doctrine/orm": "^2.7.3",
-        "symfony/console": "^4.4|^5.0|^6.0",
-        "symfony/framework-bundle": "^4.4|^5.0|^6.0",
-        "symfony/phpunit-bridge": "^5.0|^6.0",
-        "symfony/yaml": "^4.4|^5.0|^6.0"
+        "symfony/console": "^4.4|^5.0|^6.0|^7.0",
+        "symfony/framework-bundle": "^4.4|^5.0|^6.0|^7.0",
+        "symfony/phpunit-bridge": "^5.0|^6.0|^7.0",
+        "symfony/yaml": "^4.4|^5.0|^6.0|^7.0"
     },
     "suggest": {
         "doctrine/doctrine-bundle": "To use the default dbal configuration"
diff --git a/src/Command/InitAclCommand.php b/src/Command/InitAclCommand.php
index 7b735a6..a0055f6 100644
--- a/src/Command/InitAclCommand.php
+++ b/src/Command/InitAclCommand.php
@@ -13,6 +13,7 @@
 
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\Schema\SchemaException;
+use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -23,6 +24,7 @@
  *
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  */
+#[AsCommand(name: 'acl:init', description: 'Creates ACL tables in the database')]
 final class InitAclCommand extends Command
 {
     protected static $defaultName = 'acl:init';
@@ -41,7 +43,7 @@ public function __construct(Connection $connection, Schema $schema)
     /**
      * {@inheritdoc}
      */
-    protected function configure()
+    protected function configure(): void
     {
         $this
             ->setDescription('Creates ACL tables in the database')
@@ -62,7 +64,7 @@ protected function configure()
     /**
      * {@inheritdoc}
      */
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         try {
             $this->schema->addToSchema($this->connection->getSchemaManager()->createSchema());
diff --git a/src/Command/SetAclCommand.php b/src/Command/SetAclCommand.php
index a4a7fc9..ad8d843 100644
--- a/src/Command/SetAclCommand.php
+++ b/src/Command/SetAclCommand.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Bundle\AclBundle\Command;
 
+use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
@@ -28,6 +29,7 @@
  *
  * @author Kévin Dunglas <kevin@les-tilleuls.coop>
  */
+#[AsCommand(name: 'acl:set', description: 'Sets ACL for objects')]
 final class SetAclCommand extends Command
 {
     protected static $defaultName = 'acl:set';
@@ -80,7 +82,7 @@ protected function configure()
     /**
      * {@inheritdoc}
      */
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         // Parse arguments
         $objectIdentities = [];
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index 0d21dba..984074f 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -26,7 +26,7 @@ class Configuration implements ConfigurationInterface
      *
      * @return TreeBuilder The tree builder
      */
-    public function getConfigTreeBuilder()
+    public function getConfigTreeBuilder(): TreeBuilder
     {
         $builder = new TreeBuilder('acl');
         $rootNode = $builder->getRootNode();