diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3f533f..3bdcdb0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,30 @@ 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).
 
+## [1.6.0] - 2026-01-06
+
+Minimum WordPress version is now 6.4.
+
+### Changed
+
+- chore: bump minimum WordPress version to 6.4 by @GaryJones in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/61
+
+### Documentation
+
+- docs: add detailed explanation for "Flush Rules" functionality in README by @GaryJones in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/59
+
+### Maintenance
+
+- chore: add wp-env configuration for local development by @GaryJones in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/60
+- chore: standardise .editorconfig file by @GaryJones in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/62
+- chore: normalise composer.json by @GaryJones in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/63
+- chore: standardise .gitignore and add .distignore by @GaryJones in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/64
+- ci: add Dependabot, lint scripts, and test infrastructure by @GaryJones in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/64
+- Composer(deps-dev): update rector/rector requirement from ^1.2 to ^2.2 by @dependabot in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/66
+- Actions(deps): bump actions/checkout in the actions group by @dependabot in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/65
+- chore: add CODEOWNERS file and migrate Dependabot reviewers by @GaryJones in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/67
+- ci: add integration test workflow and consolidate test bootstrap by @GaryJones in https://github.com/Automattic/Rewrite-Rules-Inspector/pull/68
+
 ## [1.5.1] - 2025-10-14
 
 ### Fixed
@@ -81,6 +105,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Filter by different sources of rewrite rules.
 - An error message appears if rewrite rules are missing in the database.
 
+[1.6.0]: https://github.com/Automattic/Rewrite-Rules-Inspector/compare/1.5.1...1.6.0
 [1.5.1]: https://github.com/Automattic/Rewrite-Rules-Inspector/compare/1.5.0...1.5.1
 [1.5.0]: https://github.com/Automattic/Rewrite-Rules-Inspector/compare/1.4.0...1.5.0
 [1.4.0]: https://github.com/Automattic/Rewrite-Rules-Inspector/compare/1.3.1...1.4.0
diff --git a/README.md b/README.md
index 20f3245..3638103 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,12 @@
 # Rewrite Rules Inspector
 
-Stable tag: 1.5.1  
+Stable tag: 1.6.0  
 Requires at least: 6.4  
 Tested up to: 6.9  
 Requires PHP: 7.4  
 License: GPLv2 or later  
 Tags: rewrite rules, tools  
-Contributors: danielbachhuber, automattic, tmoorewp, GaryJ
+Contributors: danielbachhuber, automattic, tmoorewp, garyj
 
 A simple admin tool for inspecting rewrite rules.
 
diff --git a/languages/rewrite-rules-inspector.pot b/languages/rewrite-rules-inspector.pot
index 4d41722..28d1320 100644
--- a/languages/rewrite-rules-inspector.pot
+++ b/languages/rewrite-rules-inspector.pot
@@ -1,15 +1,15 @@
-# Copyright (C) 2025 Automattic, Daniel Bachhuber
+# Copyright (C) 2026 Automattic, Daniel Bachhuber
 # This file is distributed under the GPL-2.0-or-later.
 msgid ""
 msgstr ""
-"Project-Id-Version: Rewrite Rules Inspector 1.5.1\n"
+"Project-Id-Version: Rewrite Rules Inspector 1.6.0\n"
 "Report-Msgid-Bugs-To: https://wordpress.org/support/plugin/rewrite-rules-inspector\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"POT-Creation-Date: 2025-10-14T16:00:17+00:00\n"
+"POT-Creation-Date: 2026-01-02T22:27:32+00:00\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "X-Generator: WP-CLI 2.12.0\n"
 "X-Domain: rewrite-rules-inspector\n"
diff --git a/rewrite-rules-inspector.php b/rewrite-rules-inspector.php
index c7fb538..616742c 100644
--- a/rewrite-rules-inspector.php
+++ b/rewrite-rules-inspector.php
@@ -11,7 +11,7 @@
  * Plugin Name:       Rewrite Rules Inspector
  * Plugin URI:        https://wordpress.org/plugins/rewrite-rules-inspector/
  * Description:       Simple WordPress admin tool for inspecting your rewrite rules.
- * Version:           1.5.1
+ * Version:           1.6.0
  * Requires at least: 6.4
  * Requires PHP:      7.4
  * Author:            Automattic, Daniel Bachhuber
@@ -22,7 +22,7 @@
  * GitHub Plugin URI: https://github.com/Automattic/Rewrite-Rules-Inspector
  */
 
-define( 'REWRITE_RULES_INSPECTOR_VERSION', '1.5.1' ); // Unused for now.
+define( 'REWRITE_RULES_INSPECTOR_VERSION', '1.6.0' ); // Unused for now.
 define( 'REWRITE_RULES_INSPECTOR_FILE_PATH', plugin_basename( __FILE__ ) );
 
 // Load the WP_List_Table class if it doesn't yet exist.