diff --git a/tests/Integration/Http/ThrottleRequestsTest.php b/tests/Integration/Http/ThrottleRequestsTest.php
index 789bce851976..08660404df95 100644
--- a/tests/Integration/Http/ThrottleRequestsTest.php
+++ b/tests/Integration/Http/ThrottleRequestsTest.php
@@ -50,7 +50,7 @@ public function test_lock_opens_immediately_after_decay()
         try {
             $this->withoutExceptionHandling()->get('/');
         } catch (Throwable $e) {
-            $this->assertTrue($e instanceof ThrottleRequestsException);
+            $this->assertInstanceOf(ThrottleRequestsException::class, $e);
             $this->assertEquals(429, $e->getStatusCode());
             $this->assertEquals(2, $e->getHeaders()['X-RateLimit-Limit']);
             $this->assertEquals(0, $e->getHeaders()['X-RateLimit-Remaining']);