diff --git a/com_oauthserver/administrator/services/provider.php b/com_oauthserver/administrator/services/provider.php
index d3aa6c5..308740b 100644
--- a/com_oauthserver/administrator/services/provider.php
+++ b/com_oauthserver/administrator/services/provider.php
@@ -14,6 +14,8 @@ use Webmasterskaya\Component\OauthServer\Administrator\Extension\Component;
 
 \defined('_JEXEC') or die;
 
+require_once JPATH_LIBRARIES . '/lib_oauthserver/vendor/autoload.php';
+
 return new class implements ServiceProviderInterface {
 
     public function register(Container $container): void