diff --git a/composer.json b/composer.json
index ee09d26..6f2e048 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "Monobank Acquiring library",
     "type": "library",
     "require": {
-        "guzzlehttp/guzzle": "^7.5",
+        "guzzlehttp/guzzle": "^7.0",
         "starkbank/ecdsa": "0.0.5"
     },
     "require-dev": {
diff --git a/composer.lock b/composer.lock
index 7a7aeef..65cf318 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6344a4730c28caa34b9f9a861a72a1bd",
+    "content-hash": "bf666e1b851683009cfd395695635a85",
     "packages": [
         {
             "name": "guzzlehttp/guzzle",
diff --git a/spec/_bootstrap.php b/spec/_bootstrap.php
index e59bb8e..d21c14d 100644
--- a/spec/_bootstrap.php
+++ b/spec/_bootstrap.php
@@ -1,4 +1,3 @@
 <?php
 
-require __DIR__.'/../vendor/autoload.php';
-
+require __DIR__ . '/../vendor/autoload.php';