diff --git a/src/Optimizely/Event/Dispatcher/DefaultEventDispatcher.php b/src/Optimizely/Event/Dispatcher/DefaultEventDispatcher.php
index b5b4b7c3..5dcf86b0 100644
--- a/src/Optimizely/Event/Dispatcher/DefaultEventDispatcher.php
+++ b/src/Optimizely/Event/Dispatcher/DefaultEventDispatcher.php
@@ -50,6 +50,7 @@ public function dispatchEvent(LogEvent $event)
             'connect_timeout' => DefaultEventDispatcher::TIMEOUT
         ];
 
-        $this->httpClient->request($event->getHttpVerb(), $event->getUrl(), $options);
+        $this->httpClient->requestAsync($event->getHttpVerb(), $event->getUrl(), $options)
+            ->then(fn($response) => $response);
     }
 }
diff --git a/tests/EventTests/DefaultEventDispatcherTest.php b/tests/EventTests/DefaultEventDispatcherTest.php
index 9b138ce3..960ec1c7 100644
--- a/tests/EventTests/DefaultEventDispatcherTest.php
+++ b/tests/EventTests/DefaultEventDispatcherTest.php
@@ -49,7 +49,7 @@ public function testDispatchEvent()
             ->getMock();
 
         $guzzleClientMock->expects($this->once())
-            ->method('request')
+            ->method('requestAsync')
             ->with($logEvent->getHttpVerb(), $logEvent->getUrl(), $expectedOptions);
 
         $eventDispatcher = new DefaultEventDispatcher($guzzleClientMock);