diff --git a/tests/DependencyInjection/Compiler/HttpClientTracingPassTest.php b/tests/DependencyInjection/Compiler/HttpClientTracingPassTest.php
index 37c1f97a..4a45ab0e 100644
--- a/tests/DependencyInjection/Compiler/HttpClientTracingPassTest.php
+++ b/tests/DependencyInjection/Compiler/HttpClientTracingPassTest.php
@@ -14,7 +14,7 @@
 use Symfony\Component\HttpClient\HttpClient;
 use Symfony\Contracts\HttpClient\HttpClientInterface;
 
-class HttpClientTracingPassTest extends TestCase
+final class HttpClientTracingPassTest extends TestCase
 {
     public static function setUpBeforeClass(): void
     {
diff --git a/tests/Tracing/HttpClient/TraceableResponseTest.php b/tests/Tracing/HttpClient/TraceableResponseTest.php
index c465d732..e6ac07f8 100644
--- a/tests/Tracing/HttpClient/TraceableResponseTest.php
+++ b/tests/Tracing/HttpClient/TraceableResponseTest.php
@@ -16,7 +16,7 @@
 use Symfony\Contracts\HttpClient\HttpClientInterface;
 use Symfony\Contracts\HttpClient\ResponseInterface;
 
-class TraceableResponseTest extends TestCase
+final class TraceableResponseTest extends TestCase
 {
     /**
      * @var MockObject&ResponseInterface