diff --git a/src/Http/RequestBuilder.php b/src/Http/RequestBuilder.php
index d2dcd9b..f808d41 100644
--- a/src/Http/RequestBuilder.php
+++ b/src/Http/RequestBuilder.php
@@ -39,6 +39,11 @@ public function send()
             curl_setopt($curl, CURLOPT_POSTFIELDS, $this->getData());
         }
         
+        if ($this->getFileData()) {
+            curl_setopt($curl, CURLOPT_POST, true);
+            curl_setopt($curl, CURLOPT_POSTFIELDS, $this->getFileData());
+        }
+        
         $data = curl_exec($curl);
         $info = curl_getinfo($curl);