diff --git a/src/WpClient.php b/src/WpClient.php
index 5058cda..434b578 100644
--- a/src/WpClient.php
+++ b/src/WpClient.php
@@ -4,6 +4,7 @@
 
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
+use RuntimeException;
 use Vnn\WpApiClient\Auth\AuthInterface;
 use Vnn\WpApiClient\Endpoint;
 use Vnn\WpApiClient\Http\ClientInterface;