diff --git a/EventSubscriberInterface.php b/EventSubscriberInterface.php
index 2085e42..ca0d696 100644
--- a/EventSubscriberInterface.php
+++ b/EventSubscriberInterface.php
@@ -45,5 +45,5 @@ interface EventSubscriberInterface
      *
      * @return array<string, string|array{0: string, 1: int}|list<array{0: string, 1?: int}>>
      */
-    public static function getSubscribedEvents();
+    public static function getSubscribedEvents(): array;
 }
diff --git a/Tests/Debug/WrappedListenerTest.php b/Tests/Debug/WrappedListenerTest.php
index 1a5fe11..4648105 100644
--- a/Tests/Debug/WrappedListenerTest.php
+++ b/Tests/Debug/WrappedListenerTest.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\EventDispatcher\Tests\Debug;
 
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\EventDispatcher\Debug\WrappedListener;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
@@ -19,9 +20,7 @@
 
 class WrappedListenerTest extends TestCase
 {
-    /**
-     * @dataProvider provideListenersToDescribe
-     */
+    #[DataProvider('provideListenersToDescribe')]
     public function testListenerDescription($listener, $expected)
     {
         $wrappedListener = new WrappedListener($listener, null, $this->createMock(Stopwatch::class), $this->createMock(EventDispatcherInterface::class));
diff --git a/Tests/EventDispatcherTest.php b/Tests/EventDispatcherTest.php
index d6d0778..94f9ffc 100644
--- a/Tests/EventDispatcherTest.php
+++ b/Tests/EventDispatcherTest.php
@@ -411,8 +411,6 @@ public function testNamedClosures()
         $this->assertNotSame($callback1, $callback2);
         $this->assertNotSame($callback1, $callback3);
         $this->assertNotSame($callback2, $callback3);
-        $this->assertEquals($callback1, $callback2);
-        $this->assertEquals($callback1, $callback3);
 
         $this->dispatcher->addListener('foo', $callback1, 3);
         $this->dispatcher->addListener('foo', $callback2, 2);
diff --git a/composer.json b/composer.json
index 598bbdc..dba4d53 100644
--- a/composer.json
+++ b/composer.json
@@ -16,21 +16,21 @@
         }
     ],
     "require": {
-        "php": ">=8.2",
+        "php": ">=8.4",
         "symfony/event-dispatcher-contracts": "^2.5|^3"
     },
     "require-dev": {
-        "symfony/dependency-injection": "^6.4|^7.0",
-        "symfony/expression-language": "^6.4|^7.0",
-        "symfony/config": "^6.4|^7.0",
-        "symfony/error-handler": "^6.4|^7.0",
-        "symfony/http-foundation": "^6.4|^7.0",
+        "psr/log": "^1|^2|^3",
+        "symfony/config": "^7.4|^8.0",
+        "symfony/dependency-injection": "^7.4|^8.0",
+        "symfony/error-handler": "^7.4|^8.0",
+        "symfony/expression-language": "^7.4|^8.0",
+        "symfony/http-foundation": "^7.4|^8.0",
         "symfony/service-contracts": "^2.5|^3",
-        "symfony/stopwatch": "^6.4|^7.0",
-        "psr/log": "^1|^2|^3"
+        "symfony/stopwatch": "^7.4|^8.0"
     },
     "conflict": {
-        "symfony/dependency-injection": "<6.4",
+        "symfony/security-http": "<7.4",
         "symfony/service-contracts": "<2.5"
     },
     "provide": {
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 4d47393..79bed7e 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/9.3/phpunit.xsd"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.3/phpunit.xsd"
          backupGlobals="false"
          colors="true"
          bootstrap="vendor/autoload.php"
+         failOnDeprecation="true"
          failOnRisky="true"
          failOnWarning="true"
 >
@@ -18,7 +19,7 @@
         </testsuite>
     </testsuites>
 
-    <coverage>
+    <source ignoreSuppressionOfDeprecations="true">
         <include>
             <directory>./</directory>
         </include>
@@ -27,5 +28,9 @@
             <directory>./Tests</directory>
             <directory>./vendor</directory>
         </exclude>
-    </coverage>
+    </source>
+
+    <extensions>
+        <bootstrap class="Symfony\Bridge\PhpUnit\SymfonyExtension" />
+    </extensions>
 </phpunit>