diff --git a/composer.json b/composer.json
index e56ad8b..f5a98ec 100644
--- a/composer.json
+++ b/composer.json
@@ -36,6 +36,7 @@
     "suggest": {
         "ext-msgpack": "MessagePack codec support",
         "ext-protobuf": "Protobuf codec support",
+        "ext-swoole": "Swoole gocoroutine support",
         "rybakit/msgpack": "(^0.7) MessagePack codec support",
         "google/protobuf": "(^3.0) Protobuf codec support"
     },
diff --git a/src/RelayInterface.php b/src/RelayInterface.php
index 209983c..27e7f96 100644
--- a/src/RelayInterface.php
+++ b/src/RelayInterface.php
@@ -21,4 +21,9 @@ public function waitFrame(): Frame;
      * @param Frame $frame
      */
     public function send(Frame $frame): void;
+
+    /**
+     * @return int
+     */
+    public function getNextSeq(): int;
 }
diff --git a/tests/Goridge/SwooleTest.php b/tests/Goridge/SwooleTest.php
new file mode 100644
index 0000000..b9d9b32
--- /dev/null
+++ b/tests/Goridge/SwooleTest.php
@@ -0,0 +1,50 @@
+<?php 
+
+declare(strict_types=1);
+
+namespace Spiral\Goridge\Tests;
+
+use Swoole\Coroutine as Co;
+use Swoole\Coroutine\Barrier;
+
+class SwooleTest extends RPCTest
+{
+    public function testNoExceptionWithSwooleCoroutine(): void
+    {
+        Co::set(['hook_flags'=> SWOOLE_HOOK_ALL]);
+        Co\run(function () {
+            $methods = [
+                'testManualConnect',
+                'testReconnect',
+                'testPingPong',
+                'testPrefixPingPong',
+                'testPingNull',
+                'testNegate',
+                'testNegateNegative',
+                'testLongEcho',
+                'testRawBody',
+                'testPayload',
+                'testPayloadWithMap',
+
+                // 'testBrokenPayloadMap',
+                // 'testJsonException'
+                // 'testInvalidService',
+                // 'testInvalidMethod',
+                // 'testConvertException',
+                // 'testBadPayload',
+
+                // 'testLongRawBody',
+            ];
+
+            foreach ($methods as $method) {
+                $barrier = Barrier::make();
+                for ($i = 0; $i < 2; $i++) {
+                    go(function () use ($barrier, $method) {
+                        $this->$method();
+                    });
+                }
+                Barrier::wait($barrier);
+            }
+        });
+    }
+}
\ No newline at end of file