diff --git a/libs/VyfakturujAPI.class.php b/libs/VyfakturujAPI.class.php
index 3d16606..e7d7536 100644
--- a/libs/VyfakturujAPI.class.php
+++ b/libs/VyfakturujAPI.class.php
@@ -412,7 +412,7 @@ private function fetchRequest($path, $method, $data = array())
      * @param array|null $data
      * @return array|mixed
      */
-    private function fetchGet($path, $data = null)
+    protected function fetchGet($path, $data = null)
     {
         return $this->fetchRequest($path, self::HTTP_METHOD_GET, $data);
     }
@@ -423,7 +423,7 @@ private function fetchGet($path, $data = null)
      * @param array|null $data
      * @return array|mixed
      */
-    private function fetchPost($path, $data = null)
+    protected function fetchPost($path, $data = null)
     {
         return $this->fetchRequest($path, self::HTTP_METHOD_POST, $data);
     }
@@ -434,7 +434,7 @@ private function fetchPost($path, $data = null)
      * @param array|null $data
      * @return array|mixed
      */
-    private function fetchPut($path, $data = null)
+    protected function fetchPut($path, $data = null)
     {
         return $this->fetchRequest($path, self::HTTP_METHOD_PUT, $data);
     }
@@ -445,7 +445,7 @@ private function fetchPut($path, $data = null)
      * @param array|null $data
      * @return array|mixed
      */
-    private function fetchDelete($path, $data = null)
+    protected function fetchDelete($path, $data = null)
     {
         return $this->fetchRequest($path, self::HTTP_METHOD_DELETE, $data);
     }