diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f2e60ca..5c44f1c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # CHANGELOG
 
+### [v5.2.0 _(Aug 3, 2023)_](https://github.com/omise/omise-woocommerce/releases/tag/v5.2.0)
+- Declare High-Performance Order Storage (HPOS) as compatible. (PR [#385](https://github.com/omise/omise-woocommerce/pull/385))
+- Added a script to run test `composer test`. (PR [#385](https://github.com/omise/omise-woocommerce/pull/385))
+- Update sonar properties to exclude javascript files. (PR [#385](https://github.com/omise/omise-woocommerce/pull/384))
+
 ### [v5.1.1 _(Jun 13, 2023)_](https://github.com/omise/omise-woocommerce/releases/tag/v5.1.1)
 - Remove free products from the Atome bill. (PR [#378](https://github.com/omise/omise-woocommerce/pull/378))
 - Fix incompatible issue with country based payments plugin. (PR [#379](https://github.com/omise/omise-woocommerce/pull/379))
diff --git a/omise-woocommerce.php b/omise-woocommerce.php
index f0511243..fe210d24 100644
--- a/omise-woocommerce.php
+++ b/omise-woocommerce.php
@@ -4,7 +4,7 @@
  * Plugin Name: Opn Payments
  * Plugin URI:  https://www.omise.co/woocommerce
  * Description: Opn Payments is a WordPress plugin designed specifically for WooCommerce. The plugin adds support for Opn Payments Payment Gateway's payment methods to WooCommerce.
- * Version:     5.1.1
+ * Version:     5.2.0
  * Author:      Opn Payments and contributors
  * Author URI:  https://github.com/omise/omise-woocommerce/graphs/contributors
  * Text Domain: omise
@@ -22,7 +22,7 @@ class Omise
 	 *
 	 * @var string
 	 */
-	public $version = '5.1.1';
+	public $version = '5.2.0';
 
 	/**
 	 * The Omise Instance.
diff --git a/readme.txt b/readme.txt
index e1bf264f..20fc7e33 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: Opn Payments
 Tags: opn payments, payment, payment gateway, woocommerce plugin, omise, opn, installment, internet banking, alipay, paynow, truemoney wallet, woocommerce payment
 Requires at least: 4.3.1
 Tested up to: 6.0.2
-Stable tag: 5.1.1
+Stable tag: 5.2.0
 License: MIT
 License URI: https://opensource.org/licenses/MIT
 
@@ -34,6 +34,12 @@ From there:
 
 == Changelog ==
 
+= 5.2.0 =
+
+- Declare High-Performance Order Storage (HPOS) as compatible. (PR [#385](https://github.com/omise/omise-woocommerce/pull/385))
+- Added a script to run test `composer test`. (PR [#385](https://github.com/omise/omise-woocommerce/pull/385))
+- Update sonar properties to exclude javascript files. (PR [#385](https://github.com/omise/omise-woocommerce/pull/384))
+
 = 5.1.1 =
 
 - Remove free products from the Atome bill. (PR [#378](https://github.com/omise/omise-woocommerce/pull/378))