diff --git a/src/Worker/CentrifugoWorker.php b/src/Worker/CentrifugoWorker.php
index 72ee0b3..414cecc 100755
--- a/src/Worker/CentrifugoWorker.php
+++ b/src/Worker/CentrifugoWorker.php
@@ -14,6 +14,7 @@
 use FluffyDiscord\RoadRunnerBundle\Event\Worker\WorkerBootingEvent;
 use FluffyDiscord\RoadRunnerBundle\Exception\NoCentrifugoResponseProvidedException;
 use FluffyDiscord\RoadRunnerBundle\Exception\UnsupportedCentrifugoRequestTypeException;
+use GuzzleHttp\Promise\PromiseInterface;
 use RoadRunner\Centrifugal\API\DTO\V1\DisconnectResponse;
 use RoadRunner\Centrifugo\CentrifugoWorker as RoadRunnerCentrifugoWorker;
 use RoadRunner\Centrifugo\Payload\ConnectResponse;
@@ -89,7 +90,12 @@ public function start(): void
                 $this->sentryHubInterface?->captureException($throwable);
                 $request->error(500, (string)$throwable);
             } finally {
-                $this->sentryHubInterface?->getClient()?->flush()->wait(false);
+                $result = $this->sentryHubInterface?->getClient()?->flush();
+
+                // sentry v4 compatibility
+                if($result instanceof PromiseInterface) {
+                    $result->wait(false);
+                }
                 $this->sentryHubInterface?->popScope();
             }
         }
diff --git a/src/Worker/HttpWorker.php b/src/Worker/HttpWorker.php
index 7d227ef..1dae113 100644
--- a/src/Worker/HttpWorker.php
+++ b/src/Worker/HttpWorker.php
@@ -7,6 +7,7 @@
 use FluffyDiscord\RoadRunnerBundle\Factory\DefaultResponseWrapper;
 use FluffyDiscord\RoadRunnerBundle\Factory\StreamedJsonResponseWrapper;
 use FluffyDiscord\RoadRunnerBundle\Factory\StreamedResponseWrapper;
+use GuzzleHttp\Promise\PromiseInterface;
 use Nyholm\Psr7;
 use Sentry\State\HubInterface as SentryHubInterface;
 use Spiral\RoadRunner;
@@ -93,7 +94,13 @@ public function start(): void
                     $worker->getWorker()->error((string)$throwable);
 
                 } finally {
-                    $this->sentryHubInterface?->getClient()?->flush()->wait(false);
+                    $result = $this->sentryHubInterface?->getClient()?->flush();
+
+                    // sentry v4 compatibility
+                    if($result instanceof PromiseInterface) {
+                        $result->wait(false);
+                    }
+
                     $this->sentryHubInterface?->popScope();
                 }
             }