diff --git a/composer.json b/composer.json
index f1bdde7..acb7ba2 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,5 @@
 {
-    "name": "getjump/vk",
+    "name": "den67rus/vk",
     "description": "Library for work with API Vk.com",
     "keywords": ["php", "vk", "api", "library", "vkontakte"],
     "license": "MIT",
@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "guzzlehttp/guzzle": "4.*",
+        "guzzlehttp/guzzle": "6.*",
         "php": ">=5.4.0"
     },
     "require-dev": {
diff --git a/src/getjump/Vk/RequestTransaction.php b/src/getjump/Vk/RequestTransaction.php
index ee0090b..7244f09 100644
--- a/src/getjump/Vk/RequestTransaction.php
+++ b/src/getjump/Vk/RequestTransaction.php
@@ -157,8 +157,8 @@ public function fetchData()
             $args['sig'] = md5('/method/'.$this->methodName.'?'.http_build_query($args).$this->noHttpsSecret);
         }
 
-        $data = $this->guzzle->post(self::URL_VK_API.$this->methodName, ['body' => $args])->json(['object' => true]);
-        $c = new Api($data, $this->callback);
+        $data = $this->guzzle->post(self::URL_VK_API.$this->methodName, ['form_params' => $args])->getBody()->getContents();
+        $c = new Api(json_decode($data), $this->callback);
 
         return $c;
     }
diff --git a/src/getjump/Vk/Response/Response.php b/src/getjump/Vk/Response/Response.php
index 6f6cf83..87dbe29 100644
--- a/src/getjump/Vk/Response/Response.php
+++ b/src/getjump/Vk/Response/Response.php
@@ -38,6 +38,10 @@ class Response implements \ArrayAccess, \Countable, \Iterator
      */
     public function __construct($data, $callback = false)
     {
+        if(is_string($data)) {
+            return $this->data = $data;
+        }
+        
         foreach ($data as $key => $value) {
             if (property_exists($this, $key)) {
                 continue;
@@ -56,7 +60,11 @@ public function __construct($data, $callback = false)
         }
         $this->count = !isset($data->count) ? false : $data->count;
         if (is_array($data) || !isset($data->items)) {
-            $this->count = count($data);
+            if(is_array($data)) {
+                $this->count = count($data);
+            } else {
+                $this->count = 0;
+            }
             if (is_array($data) && is_callable($callback)) {
                 foreach ($data as $d) {
                     $this->data[] = call_user_func_array($callback, [$d]);