diff --git a/CHANGELOG.md b/CHANGELOG.md
index 735af85..850f516 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,21 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.6.1] - 2024-06-19
+
+### Commits
+
+- Requires PHP: 8.1. ([bec899d](https://github.com/pronamic/wp-pronamic-pay-with-mollie-for-gravity-forms/commit/bec899d49070eeff8f5182015412caff79763d7e))
+
+### Composer
+
+- Changed `wp-pay/core` from `v4.19.0` to `v4.20.0`.
+	Release notes: https://github.com/pronamic/wp-pay-core/releases/tag/v4.20.0
+
+Full set of changes: [`1.6.0...1.6.1`][1.6.1]
+
+[1.6.1]: https://github.com/pronamic/wp-pronamic-pay-with-mollie-for-gravity-forms/compare/v1.6.0...v1.6.1
+
 ## [1.6.0] - 2024-06-12
 
 ### Composer
diff --git a/package.json b/package.json
index 83505a5..5c01c4a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@pronamic/wp-pronamic-pay-with-mollie-for-gravity-forms",
-	"version": "1.6.0",
+	"version": "1.6.1",
 	"description": "Pronamic Pay plugin with Mollie for Gravity Forms integration.",
 	"author": "Pronamic",
 	"license": "GPL-2.0-or-later",
diff --git a/pronamic-pay-with-mollie-for-gravity-forms.php b/pronamic-pay-with-mollie-for-gravity-forms.php
index 32d0699..743098c 100644
--- a/pronamic-pay-with-mollie-for-gravity-forms.php
+++ b/pronamic-pay-with-mollie-for-gravity-forms.php
@@ -4,7 +4,7 @@
  * Plugin URI: https://www.pronamic.eu/plugins/pronamic-pay-with-mollie-for-gravity-forms/
  * Description: Pronamic Pay plugin with Mollie for Gravity Forms integration.
  *
- * Version: 1.6.0
+ * Version: 1.6.1
  * Requires at least: 5.9
  * Requires PHP: 8.1
  *
diff --git a/readme.txt b/readme.txt
index dff23c6..d7e0f8b 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Tags: pronamic, pay, mollie, gravity, gravityforms
 Requires at least: 5.9
 Tested up to: 6.5
 Requires PHP: 8.1
-Stable tag: 1.6.0
+Stable tag: 1.6.1
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html