diff --git a/src/Rest/Client.php b/src/Rest/Client.php
index acf2258..8249467 100644
--- a/src/Rest/Client.php
+++ b/src/Rest/Client.php
@@ -10,6 +10,8 @@ class Client
 {
     public const THOTH_EXPORT_BASE_URI = 'https://export.thoth.pub/';
 
+    private HttpClient $httpClient;
+
     public function __construct(array $httpConfig = [])
     {
         if (!isset($httpConfig['base_uri'])) {