diff --git a/Controller/Customer/Remove.php b/Controller/Customer/Remove.php
index 4e73e208..6574d2e8 100644
--- a/Controller/Customer/Remove.php
+++ b/Controller/Customer/Remove.php
@@ -163,10 +163,10 @@ private function deleteCoreCard($coreCardId, $baseException)
     }
 
     /**
-     * @return \MundiAPILib\MundiAPIClient
+     * @return \PagarmeCoreApiLib\PagarmeCoreApiClient
      */
     private function getApi()
     {
-        return new \MundiAPILib\MundiAPIClient($this->config->getSecretKey(), '');
+        return new \PagarmeCoreApiLib\PagarmeCoreApiClient($this->config->getSecretKey(), '');
     }
 }
diff --git a/Gateway/Transaction/Billet/Command/AuthorizeCommand.php b/Gateway/Transaction/Billet/Command/AuthorizeCommand.php
index f62bdc73..5cbe6cc1 100755
--- a/Gateway/Transaction/Billet/Command/AuthorizeCommand.php
+++ b/Gateway/Transaction/Billet/Command/AuthorizeCommand.php
@@ -14,8 +14,6 @@
 
 use Pagarme\Pagarme\Gateway\Transaction\Base\Command\AbstractApiCommand;
 
-use MundiAPILib\Models\CreateOrderRequest;
-
 class AuthorizeCommand extends AbstractApiCommand
 {
     /**
diff --git a/Helper/CustomerUpdatePagarmeHelper.php b/Helper/CustomerUpdatePagarmeHelper.php
index 321bb6f1..54547688 100644
--- a/Helper/CustomerUpdatePagarmeHelper.php
+++ b/Helper/CustomerUpdatePagarmeHelper.php
@@ -9,8 +9,8 @@
 namespace Pagarme\Pagarme\Helper;
 
 use Magento\Customer\Api\CustomerRepositoryInterface;
-use MundiAPILib\Controllers;
-use MundiAPILib\Models\UpdateCustomerRequest;
+use PagarmeCoreApiLib\Controllers;
+use PagarmeCoreApiLib\Models\UpdateCustomerRequest;
 use Pagarme\Pagarme\Gateway\Transaction\Base\Config\Config;
 
 class CustomerUpdatePagarmeHelper
@@ -70,11 +70,11 @@ public function getCustomers()
     }
 
     /**
-     * @return \MundiAPILib\MundiAPIClient
+     * @return \PagarmeCoreApiLib\PagarmeCoreApiClient
      */
     public function getApi()
     {
-        return new \MundiAPILib\MundiAPIClient($this->config->getSecretKey(), '');
+        return new \PagarmeCoreApiLib\PagarmeCoreApiClient($this->config->getSecretKey(), '');
     }
 
 }
diff --git a/Observer/AdminCustomerBeforeSave.php b/Observer/AdminCustomerBeforeSave.php
index 61dbfc60..4725d871 100644
--- a/Observer/AdminCustomerBeforeSave.php
+++ b/Observer/AdminCustomerBeforeSave.php
@@ -46,12 +46,16 @@ public function execute(EventObserver $observer)
         $event = $observer->getEvent();
         $platformCustomer = new Magento2PlatformCustomerDecorator($event->getCustomer());
 
+        if (empty($platformCustomer->getPagarmeId())) {
+            return $this;
+        }
+
         $customerService = new CustomerService();
         try {
             $customerService->updateCustomerAtPagarme($platformCustomer);
         } catch (\Exception $exception) {
             $log = new LogService('CustomerService');
-            $log->info($exception->getResponseBody());
+            $log->info($exception->getMessage());
 
             if ($exception->getCode() == 404) {
                 $log->info(
diff --git a/composer.json b/composer.json
index 9405aabc..a21e6554 100755
--- a/composer.json
+++ b/composer.json
@@ -1,13 +1,13 @@
 {
     "name": "pagarme/pagarme-magento2-module",
     "license": "MIT",
-    "version": "1.1.7",
+    "version": "1.2.0",
     "type": "magento2-module",
     "description": "Magento 2 Module Pagar.me",
     "require": {
         "php": "~7.1",
-        "mundipagg/mundiapi": "^3.0",
-        "pagarme/ecommerce-module-core": "~1.1.5"
+        "pagarme/pagarmecoreapi": "^5.7",
+        "pagarme/ecommerce-module-core": "~1.2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "4.1.0",