diff --git a/src/FacebookAds/Object/ServerSide/BatchProcessor.php b/src/FacebookAds/Object/ServerSide/BatchProcessor.php
index 8f3bbd13f..e8663f0ec 100644
--- a/src/FacebookAds/Object/ServerSide/BatchProcessor.php
+++ b/src/FacebookAds/Object/ServerSide/BatchProcessor.php
@@ -24,7 +24,7 @@
 
 namespace FacebookAds\Object\ServerSide;
 
-use GuzzleHttp\Promise;
+use GuzzleHttp\Promise\Utils;
 
 class BatchProcessor {
   protected $batch_size;
@@ -53,7 +53,7 @@ public function __construct($pixel_id, $batch_size = 50, $concurrent_requests =
   public function processEvents($event_request_params, $events) {
     $generator = $this->processEventsGenerator($event_request_params, $events);
     foreach ($generator as $promises) {
-      Promise\unwrap($promises);
+      Utils::unwrap($promises);
     }
   }
 
@@ -94,7 +94,7 @@ public function processEventsGenerator($event_request_params, $events) {
   public function processEventRequests($event_requests_async) {
     $generator = $this->processEventRequestsGenerator($event_requests_async);
     foreach ($generator as $promises) {
-      Promise\unwrap($promises);
+      Utils::unwrap($promises);
     }
   }
 
diff --git a/test/FacebookAdsTest/Object/ServerSide/BatchProcessorTest.php b/test/FacebookAdsTest/Object/ServerSide/BatchProcessorTest.php
index 79d8060a0..acc3edc37 100644
--- a/test/FacebookAdsTest/Object/ServerSide/BatchProcessorTest.php
+++ b/test/FacebookAdsTest/Object/ServerSide/BatchProcessorTest.php
@@ -29,7 +29,7 @@
 use FacebookAds\Object\ServerSide\UserData;
 use FacebookAds\Object\ServerSide\BatchProcessor;
 use FacebookAds\Api;
-use GuzzleHttp\Promise;
+use GuzzleHttp\Promise\Utils;
 use Mockery as m;
 
 class BatchProcessorTest extends AbstractUnitTestCase {
@@ -114,7 +114,7 @@ public function testProcessEventsGenerator() {
     $iterations = 0;
     foreach ($generator as $promises) {
       $iterations += 1;
-      Promise\unwrap($promises);
+      Utils::unwrap($promises);
     }
 
     $this->assertEquals($iterations, 2);
@@ -158,7 +158,7 @@ public function testProcessEventRequestsGenerator() {
     $iterations = 0;
     foreach ($generator as $promises) {
       $iterations += 1;
-      Promise\unwrap($promises);
+      Utils::unwrap($promises);
     }
 
     $this->assertEquals(3, $iterations);