diff --git a/composer.json b/composer.json
index b0ff98e..44575fb 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
         "hyperf/config": "~3.0.0",
         "hyperf/di": "~3.0.0",
         "hyperf/guzzle": "~3.0.0",
-        "openai-php/client": "^0.7.0"
+        "openai-php/client": "^0.8.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/ClientFactory.php b/src/ClientFactory.php
index e76e2b1..cdf6799 100644
--- a/src/ClientFactory.php
+++ b/src/ClientFactory.php
@@ -39,6 +39,7 @@ public function __invoke(ContainerInterface $container)
             ->withBaseUri($baseUri)
             ->withApiKey($apiKey)
             ->withOrganization($organization)
+            ->withHttpHeader('OpenAI-Beta', 'assistants=v1')
             ->withHttpClient($httpClient)
             ->make();
     }