diff --git a/README.md b/README.md
index 2bd662cd..6c13d9cd 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,8 @@
 
 [![Latest Release](https://img.shields.io/github/v/release/studentquiz/moodle-mod_studentquiz?sort=semver&color=orange)](https://github.com/studentquiz/moodle-mod_studentquiz/releases)
 [![Build Status](https://github.com/studentquiz/moodle-mod_studentquiz/workflows/Moodle%20Plugin%20CI/badge.svg?branch=master)](https://github.com/studentquiz/moodle-mod_studentquiz/actions?query=workflow%3A%22Moodle+Plugin+CI%22+branch%3Amaster)
-[![PHP Support](https://img.shields.io/badge/php-7.2_--_7.4-blue)](https://github.com/studentquiz/moodle-mod_studentquiz/actions)
-[![Moodle Support](https://img.shields.io/badge/Moodle-%3E%3D%203.9-blue)](https://github.com/studentquiz/moodle-mod_studentquiz/actions)
+[![PHP Support](https://img.shields.io/badge/php-7.2_--_8.0-blue)](https://github.com/studentquiz/moodle-mod_studentquiz/actions)
+[![Moodle Support](https://img.shields.io/badge/Moodle-%3E%3D%203.9 -- 3.11-blue)](https://github.com/studentquiz/moodle-mod_studentquiz/actions)
 [![License GPL-3.0](https://img.shields.io/github/license/studentquiz/moodle-mod_studentquiz?color=lightgrey)](https://github.com/studentquiz/moodle-mod_studentquiz/blob/master/LICENSE)
 [![GitHub contributors](https://img.shields.io/github/contributors/studentquiz/moodle-mod_studentquiz)](https://github.com/studentquiz/moodle-mod_studentquiz/graphs/contributors)
 
@@ -46,10 +46,10 @@ You can find manuals for each role in the [manuals website](https://docs.moodle.
 
 Supported and tested with:
 
-- Moodle 3.9, 3.10, 3.11
-- PHP 7.2, 7.3, 7.4
+- Moodle 3.9, 3.10, 3.11 - Warning! this version does not work with Moodle 4.0. A compatible version is being developed.
+- PHP 7.2, 7.3, 7.4, 8.0
 - Databases: MySQL, MariaDB, PostgreSQL, SQL Server 2017 (experimental)
-- Browsers: Firefox, Chrome
+- Browsers: Firefox, Chrome, Safari, Edge
 
 Refer to the Moodle release notes for the minimum requirements for PHP and the databases. Other modern browsers should
 be compatible too, it's just not tested or developed against them explicitly.
@@ -67,3 +67,4 @@ people and universities around the world in our [Issue Tracker](https://github.c
 [GNU General Public License v3.0](https://github.com/studentquiz/moodle-mod_studentquiz/blob/master/LICENSE)
 
 (c) [Hochschule für Technik Rapperswil](https://www.hsr.ch/)
+(c) [The Open University](https://www.open.ac.uk/)
diff --git a/version.php b/version.php
index 60f2d732..6774cba8 100644
--- a/version.php
+++ b/version.php
@@ -28,8 +28,9 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component    = 'mod_studentquiz';
-$plugin->version      = 2022052300.02;
-$plugin->release      = 'v4.6.0';
+$plugin->version      = 2022052400;
+$plugin->incompatible = 400; // A Moodle 4.0 version will be released when it is ready, hopefully soon.
+$plugin->release      = 'v4.7.0';
 $plugin->requires     = 2020061500; // Version MOODLE_3.9, 3.9.0+.
 $plugin->maturity     = MATURITY_STABLE;
 $plugin->cron         = 0;