diff --git a/composer.json b/composer.json
index a048b54..09d3554 100644
--- a/composer.json
+++ b/composer.json
@@ -8,10 +8,11 @@
     "php": "^8.2"
   },
   "require-dev": {
-    "phpunit/phpunit": "^8.0 || ^9.0",
+    "phpunit/phpunit": "^11.5",
     "broadway/coding-standard": "^1.2",
     "phpstan/phpstan": "^2.0",
-    "phpspec/prophecy": "^1.15"
+    "phpspec/prophecy": "^1.15",
+    "phpspec/prophecy-phpunit": "^2.2"
   },
   "authors": [
     {
diff --git a/examples/HandlingSensitiveDataTest.php b/examples/HandlingSensitiveDataTest.php
index da10b49..5ba413f 100644
--- a/examples/HandlingSensitiveDataTest.php
+++ b/examples/HandlingSensitiveDataTest.php
@@ -19,6 +19,7 @@
 use Broadway\EventHandling\SimpleEventBus;
 use Broadway\EventHandling\TraceableEventBus;
 use Broadway\EventStore\InMemoryEventStore;
+use PHPUnit\Framework\Attributes\Test;
 use PHPUnit\Framework\TestCase;
 
 require_once __DIR__.'/HandlingSensitiveData.php';
@@ -54,9 +55,7 @@ public function setUp(): void
         $this->eventBus->subscribe($sensitiveDataManager);
     }
 
-    /**
-     * @test
-     */
+    #[Test]
     public function it_handles_sensitive_data()
     {
         $this->eventBus->trace();
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index d0a0460..8dbd48f 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,24 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         bootstrap="vendor/autoload.php"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-        >
-    <testsuites>
-        <testsuite name="Test Suite">
-            <directory>./test/</directory>
-            <directory>./examples/</directory>
-        </testsuite>
-    </testsuites>
-    <filter>
-        <whitelist>
-            <directory suffix=".php">./src/</directory>
-        </whitelist>
-    </filter>
+<phpunit backupGlobals="false" bootstrap="vendor/autoload.php" colors="true" processIsolation="false" stopOnFailure="false" cacheDirectory=".phpunit.cache" backupStaticProperties="false">
+  <testsuites>
+    <testsuite name="Test Suite">
+      <directory>./test/</directory>
+      <directory>./examples/</directory>
+    </testsuite>
+  </testsuites>
+  <source>
+    <include>
+      <directory suffix=".php">./src/</directory>
+    </include>
+  </source>
 </phpunit>
diff --git a/test/SensitiveDataManagerTest.php b/test/SensitiveDataManagerTest.php
index 0ece9c9..cd8be83 100644
--- a/test/SensitiveDataManagerTest.php
+++ b/test/SensitiveDataManagerTest.php
@@ -15,12 +15,14 @@
 
 use Broadway\Domain\DomainMessage;
 use Broadway\Domain\Metadata;
+use PHPUnit\Framework\Attributes\Test;
+use Prophecy\PhpUnit\ProphecyTrait;
 
 class SensitiveDataManagerTest extends \PHPUnit\Framework\TestCase
 {
-    /**
-     * @test
-     */
+    use ProphecyTrait;
+
+    #[Test]
     public function it_publishes_events_and_sensitive_date_to_subscribed_processors()
     {
         $domainMessage = DomainMessage::recordNow(1, 1, new Metadata([]), new \stdClass());
diff --git a/test/SensitiveDataProcessorTest.php b/test/SensitiveDataProcessorTest.php
index 5b6e869..05c9ae5 100644
--- a/test/SensitiveDataProcessorTest.php
+++ b/test/SensitiveDataProcessorTest.php
@@ -15,12 +15,11 @@
 
 use Broadway\Domain\DomainMessage;
 use Broadway\Domain\Metadata;
+use PHPUnit\Framework\Attributes\Test;
 
 class SensitiveDataProcessorTest extends \PHPUnit\Framework\TestCase
 {
-    /**
-     * @test
-     */
+    #[Test]
     public function it_passes_the_event_and_domain_message_and_sensitive_data()
     {
         $testProcessor = new TestProcessor();
diff --git a/test/SensitiveDataTest.php b/test/SensitiveDataTest.php
index c6f2384..a05d084 100644
--- a/test/SensitiveDataTest.php
+++ b/test/SensitiveDataTest.php
@@ -13,11 +13,11 @@
 
 namespace Broadway\BroadwaySensitiveData\EventHandling;
 
+use PHPUnit\Framework\Attributes\Test;
+
 class SensitiveDataTest extends \PHPUnit\Framework\TestCase
 {
-    /**
-     * @test
-     */
+    #[Test]
     public function it_exposes_its_properties()
     {
         $data = ['foo' => 'bar'];