diff --git a/Classes/OpenAiClientFactory.php b/Classes/OpenAiClientFactory.php
index 9987ae7..be022af 100644
--- a/Classes/OpenAiClientFactory.php
+++ b/Classes/OpenAiClientFactory.php
@@ -19,7 +19,7 @@ public function createClientForAccountRecord(AccountRecord $record): ClientContr
         $factory = (new Factory())
             ->withHttpClient($this->httpClient)
             ->withApiKey($record->apiKey)
-            ->withHttpHeader('OpenAI-Beta', 'assistants=v1')
+            ->withHttpHeader('OpenAI-Beta', 'assistants=v2')
             ->withOrganization($record->organisation);
         return $factory->make();
     }
diff --git a/composer.json b/composer.json
index ccbd89c..0a4e1e9 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "name": "sitegeist/flow-openaiclientfactory",
     "require": {
         "neos/flow": "*",
-        "openai-php/client": "^0.8"
+        "openai-php/client": "^0.10.1"
     },
     "autoload": {
         "psr-4": {