diff --git a/composer.json b/composer.json
index c42217c..eb1a5cc 100644
--- a/composer.json
+++ b/composer.json
@@ -20,8 +20,8 @@
     },
     "require": {
         "php": ">=7.4",
-        "symfony/framework-bundle": "^5.0|^6.0",
-        "symfony/dependency-injection": "^5.0|^6.0",
+        "symfony/framework-bundle": "^5.4|^6.4|^7.0",
+        "symfony/dependency-injection": "^5.4|^6.4|^7.0",
         "symfony/yaml": "^5.0|^6.0",
         "litesaml/lightsaml": "^4.0"
     },
diff --git a/src/LightSaml/SymfonyBridgeBundle/DependencyInjection/Configuration.php b/src/LightSaml/SymfonyBridgeBundle/DependencyInjection/Configuration.php
index 28b62f2..81233eb 100644
--- a/src/LightSaml/SymfonyBridgeBundle/DependencyInjection/Configuration.php
+++ b/src/LightSaml/SymfonyBridgeBundle/DependencyInjection/Configuration.php
@@ -16,12 +16,7 @@
 
 class Configuration implements ConfigurationInterface
 {
-    /**
-     * Generates the configuration tree builder.
-     *
-     * @return \Symfony\Component\Config\Definition\Builder\TreeBuilder The tree builder
-     */
-    public function getConfigTreeBuilder()
+    public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder('light_saml_symfony_bridge');
         $root = $treeBuilder->getRootNode();
diff --git a/src/LightSaml/SymfonyBridgeBundle/LightSamlSymfonyBridgeBundle.php b/src/LightSaml/SymfonyBridgeBundle/LightSamlSymfonyBridgeBundle.php
index b73485a..1db78b9 100644
--- a/src/LightSaml/SymfonyBridgeBundle/LightSamlSymfonyBridgeBundle.php
+++ b/src/LightSaml/SymfonyBridgeBundle/LightSamlSymfonyBridgeBundle.php
@@ -17,7 +17,7 @@
 
 class LightSamlSymfonyBridgeBundle extends Bundle
 {
-    public function build(ContainerBuilder $container)
+    public function build(ContainerBuilder $container): void
     {
         parent::build($container);