diff --git a/src/Attribute/HttpTimeout.php b/src/Attribute/HttpTimeout.php
new file mode 100644
index 0000000..dbd5e9b
--- /dev/null
+++ b/src/Attribute/HttpTimeout.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Asynit\Attribute;
+
+#[\Attribute(\Attribute::TARGET_METHOD | \Attribute::TARGET_CLASS)]
+final readonly class HttpTimeout
+{
+    public function __construct(
+        public float $timeout,
+    )
+    {
+    }
+}
\ No newline at end of file
diff --git a/src/HttpClient/HttpClientCaseTrait.php b/src/HttpClient/HttpClientCaseTrait.php
index b6208b5..7c1b23d 100644
--- a/src/HttpClient/HttpClientCaseTrait.php
+++ b/src/HttpClient/HttpClientCaseTrait.php
@@ -7,11 +7,13 @@
 use Amp\Http\Client\HttpClient;
 use Amp\Http\Client\HttpClientBuilder;
 use Amp\Http\Client\Request;
-use Amp\Http\HttpResponse;
+use Amp\Http\Client\Response;
 use Amp\Socket\ClientTlsContext;
 use Amp\Socket\ConnectContext;
 use Asynit\Assert\AssertWebCaseTrait;
+use Asynit\Attribute\HttpTimeout;
 use Asynit\Attribute\OnCreate;
+use Asynit\Test;
 
 trait HttpClientCaseTrait
 {
@@ -19,6 +21,8 @@ trait HttpClientCaseTrait
 
     private HttpClient|null $httpClient = null;
 
+    private \Closure|null $configureRequest = null;
+
     protected $allowSelfSignedCertificate = false;
 
     protected function createHttpClient(bool $allowSelfSignedCertificate = false): HttpClient
@@ -39,16 +43,40 @@ protected function createHttpClient(bool $allowSelfSignedCertificate = false): H
     }
 
     #[OnCreate]
-    final public function setUpHttpClient(): void
+    final public function setUpHttpClient(Test $test): void
     {
         $this->httpClient = $this->createHttpClient($this->allowSelfSignedCertificate);
+
+        $httpTimeout = $test->getMethod()->getAttributes(HttpTimeout::class);
+
+        if (!$httpTimeout) {
+            $httpTimeout = $test->getMethod()->getDeclaringClass()->getAttributes(HttpTimeout::class);
+        }
+
+        $timeout = 10;
+
+        if ($httpTimeout) {
+            $timeout = $httpTimeout[0]->newInstance()->timeout;
+        }
+
+        $this->configureRequest = function (Request $request) use ($timeout) {
+            $request->setInactivityTimeout($timeout);
+            $request->setTcpConnectTimeout($timeout);
+            $request->setTlsHandshakeTimeout($timeout);
+            $request->setTransferTimeout($timeout);
+        };
     }
 
     /**
      * Allow to test a rejection or a resolution of an async call.
      */
-    final protected function sendRequest(Request $request): HttpResponse
+    final protected function sendRequest(Request $request): Response
     {
+        if ($this->configureRequest !== null) {
+            $configureRequest = $this->configureRequest;
+            $configureRequest($request);
+        }
+
         return $this->httpClient->request($request);
     }
 }
diff --git a/src/Runner/PoolRunner.php b/src/Runner/PoolRunner.php
index 0eb61ce..e00a1fa 100644
--- a/src/Runner/PoolRunner.php
+++ b/src/Runner/PoolRunner.php
@@ -16,9 +16,6 @@ class PoolRunner
 {
     private Semaphore $semaphore;
 
-    /** @var object[] */
-    private $testCases = [];
-
     /**
      * @param positive-int $concurrency
      */
@@ -88,24 +85,18 @@ protected function run(Test $test): void
     private function getTestCase(Test $test): object
     {
         $reflectionClass = $test->getMethod()->getDeclaringClass();
+        $testCase = $reflectionClass->newInstance();
 
-        if (!isset($this->testCases[$reflectionClass->getName()])) {
-            $testCase = $reflectionClass->newInstance();
-
-            // Find all methods with attribute OnCreate
-            foreach ($reflectionClass->getMethods() as $reflectionMethod) {
-                $onCreate = $reflectionMethod->getAttributes(OnCreate::class);
+        foreach ($reflectionClass->getMethods() as $reflectionMethod) {
+            $onCreate = $reflectionMethod->getAttributes(OnCreate::class);
 
-                if (0 === count($onCreate)) {
-                    continue;
-                }
-
-                $testCase->{$reflectionMethod->getName()}($test);
+            if (0 === count($onCreate)) {
+                continue;
             }
 
-            $this->testCases[$reflectionClass->getName()] = $testCase;
+            $testCase->{$reflectionMethod->getName()}($test);
         }
 
-        return $this->testCases[$reflectionClass->getName()];
+        return $testCase;
     }
 }
diff --git a/tests/FunctionalHttpTests.php b/tests/FunctionalHttpTests.php
index 34acdfc..6e0f30f 100644
--- a/tests/FunctionalHttpTests.php
+++ b/tests/FunctionalHttpTests.php
@@ -4,6 +4,7 @@
 
 use Amp\Http\HttpResponse;
 use Asynit\Attribute\Depend;
+use Asynit\Attribute\HttpTimeout;
 use Asynit\Attribute\TestCase;
 use Asynit\HttpClient\HttpClientWebCaseTrait;
 
@@ -120,6 +121,20 @@ public function test_c_with_d($a, $b, $d)
         $this->assertSame('d', $d);
     }
 
+    #[HttpTimeout(1)]
+    public function testTimeout()
+    {
+        try {
+            $this->get($this->createUri('/delay/2'));
+            $hasException = false;
+        } catch (\Exception $e) {
+            $this->assertInstanceOf(\Amp\Http\Client\HttpException::class, $e);
+            $hasException = true;
+        }
+
+        $this->assertTrue($hasException);
+    }
+
     protected function createUri(string $uri): string
     {
         return 'http://127.0.0.1:8081'.$uri;