diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18f3e11..c475e68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased][unreleased]
 
+## [4.4.0] - 2022-12-20
+- Increased minimum PHP version to version `8` or higher.
+- Improved support for PHP `8.1` and `8.2`.
+- Removed usage of deprecated constant `FILTER_SANITIZE_STRING`.
+- Added support for https://github.com/WordPress/wp-plugin-dependencies. ([b8b2fd0](https://github.com/pronamic/wp-pronamic-pay-adyen/commit/b8b2fd05efca0f1685fca3e1b7e89bd0b8cab71a))
+- Updated manual URL to pronamicpay.com (pronamic/pronamic-pay#15). ([43f1d7d](https://github.com/pronamic/wp-pronamic-pay-adyen/commit/43f1d7d8b6e51ae8470f10b3bc1a2e3cd06d0ec8))
+
+Full set of changes: [`4.3.1...4.4.0`][4.4.0]
+
+[4.4.0]: https://github.com/pronamic/wp-pronamic-pay-adyen/compare/v4.3.1...v4.4.0
+
 ## [4.3.1] - 2022-11-29
 - Redirect API-only payment methods to payment action URL. [#18](https://github.com/pronamic/wp-pronamic-pay-adyen/issues/18)
 - Make `redirectResult` no longer required in return endpoint. [#19](https://github.com/pronamic/wp-pronamic-pay-adyen/issues/19)
diff --git a/package.json b/package.json
index bcb4849..28317e0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "adyen",
-  "version": "4.3.1",
+  "version": "4.4.0",
   "description": "Adyen driver for the WordPress payment processing library.",
   "repository": {
     "type": "git",
diff --git a/pronamic-pay-adyen.php b/pronamic-pay-adyen.php
index dc4c53a..36cd4ed 100644
--- a/pronamic-pay-adyen.php
+++ b/pronamic-pay-adyen.php
@@ -4,7 +4,7 @@
  * Plugin URI: https://www.pronamic.eu/plugins/pronamic-pay-adyen/
  * Description: Extend the Pronamic Pay plugin with the Adyen gateway to receive payments with Adyen through a variety of WordPress plugins.
  *
- * Version: 4.3.1
+ * Version: 4.4.0
  * Requires at least: 5.9
  * Requires PHP: 8.0
  *
diff --git a/readme.txt b/readme.txt
index 2a8ece5..8b52d9c 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,6 +4,6 @@ Tags: pronamic, pay, adyen, add-on
 Requires at least: 5.9
 Tested up to: 6.0
 Requires PHP: 7.4
-Stable tag: 4.3.1
+Stable tag: 4.4.0
 
 Extend the Pronamic Pay plugin with the Adyen gateway to receive payments with Adyen through a variety of WordPress plugins.