diff --git a/omnisend-for-gravity-forms/class-omnisend-addon-bootstrap.php b/omnisend-for-gravity-forms/class-omnisend-addon-bootstrap.php
index eabfdc1..1d90e21 100644
--- a/omnisend-for-gravity-forms/class-omnisend-addon-bootstrap.php
+++ b/omnisend-for-gravity-forms/class-omnisend-addon-bootstrap.php
@@ -2,7 +2,7 @@
 /**
  * Plugin Name: Omnisend for Gravity Forms Add-On
  * Description: A gravity forms add-on to sync contacts with Omnisend. In collaboration with Omnisnnd for WooCommerce plugin it enables better customer tracking
- * Version: 1.1.1
+ * Version: 1.2.0
  * Author: Omnisend
  * Author URI: https://www.omnisend.com
  * Developer: Omnisend
diff --git a/omnisend-for-gravity-forms/class-omnisendaddon.php b/omnisend-for-gravity-forms/class-omnisendaddon.php
index b8ba1b5..71d4cd1 100644
--- a/omnisend-for-gravity-forms/class-omnisendaddon.php
+++ b/omnisend-for-gravity-forms/class-omnisendaddon.php
@@ -5,7 +5,7 @@
  * @package OmnisendGravityFormsPlugin
  */
 
-use Omnisend\Public\V1\Contact;
+use Omnisend\SDK\V1\Contact;
 
 if ( ! defined( 'ABSPATH' ) ) {
 	exit;
@@ -41,13 +41,13 @@ public function omnisend_custom_requirement_callback( $meets_requirements ) {
 			return $meets_requirements;
 		}
 
-		if ( ! class_exists( 'Omnisend\Public\V1\Omnisend' ) ) {
+		if ( ! class_exists( 'Omnisend\SDK\V1\Omnisend' ) ) {
 			$meets_requirements['meets_requirements'] = false;
 			$meets_requirements['errors'][]           = 'Your Email Marketing by Omnisend is not up to date. Please update plugins';
 			return $meets_requirements;
 		}
 
-		if ( ! Omnisend\Public\V1\Omnisend::is_connected() ) {
+		if ( ! Omnisend\SDK\V1\Omnisend::is_connected() ) {
 			$meets_requirements['meets_requirements'] = false;
 			$meets_requirements['errors'][]           = 'Your Email Marketing by Omnisend is not configured properly. Please configure it firstly';
 		}
@@ -265,7 +265,7 @@ public function form_settings_fields( $form ) {
 	 * @param array $form The form currently being processed.
 	 */
 	public function after_submission( $entry, $form ) {
-		if ( ! class_exists( 'Omnisend\Public\V1\Omnisend' ) ) {
+		if ( ! class_exists( 'Omnisend\SDK\V1\Omnisend' ) ) {
 			return;
 		}
 
@@ -351,14 +351,9 @@ public function after_submission( $entry, $form ) {
 
 			$this->mapCustomProperties( $form, $entry, $settings, $contact );
 
-			$response = \Omnisend\Public\V1\Omnisend::get_client( OMNISEND_GRAVITY_ADDON_NAME, OMNISEND_GRAVITY_ADDON_VERSION )->create_contact( $contact );
-			if ( is_wp_error( $response ) ) {
-				error_log( 'Error in after_submission: ' . $response->get_error_message()); // phpcs:ignore
-				return;
-			}
-
-			if ( ! is_string( $response ) ) {
-				error_log( 'Unexpected error. Please contact Omnisend support.'); // phpcs:ignore
+			$response = \Omnisend\SDK\V1\Omnisend::get_client( OMNISEND_GRAVITY_ADDON_NAME, OMNISEND_GRAVITY_ADDON_VERSION )->create_contact( $contact );
+			if ( $response->get_wp_error()->has_errors() ) {
+				error_log( 'Error in after_submission: ' . $response->get_wp_error()->get_error_message()); // phpcs:ignore
 				return;
 			}
 
diff --git a/omnisend-for-gravity-forms/readme.txt b/omnisend-for-gravity-forms/readme.txt
index 4b1c3e0..2ce3227 100644
--- a/omnisend-for-gravity-forms/readme.txt
+++ b/omnisend-for-gravity-forms/readme.txt
@@ -5,7 +5,7 @@ Tags: Gravity forms, form, email marketing, web tracking, subscriber collection
 Requires at least: 4.7.0
 Tested up to: 6.4
 Requires PHP: 7.1
-Stable tag: 1.1.1
+Stable tag: 1.2.0
 License: GPLv3 or later License
 URI: http://www.gnu.org/licenses/gpl-3.0.html
 
@@ -61,6 +61,10 @@ Read Omnisend [Terms of Use](https://www.omnisend.com/terms)
 
 == Changelog ==
 
+= 1.2.0 =
+
+* Use Updated Omnisend plugin.
+
 = 1.1.1 =
 
 * Update plugin icon.