diff --git a/readme.html b/readme.html
index 2014afd2dd..89a3ba656a 100644
--- a/readme.html
+++ b/readme.html
@@ -58,7 +58,7 @@
 <h3>Recommendations</h3>
 <ul>
 	<li><a href="https://secure.php.net/">PHP</a> version <strong>7.4</strong> or greater.</li>
-	<li><a href="https://www.mysql.com/">MySQL</a> version <strong>5.6</strong> or greater OR <a href="https://mariadb.org/">MariaDB</a> version <strong>10.1</strong> or greater.</li>
+	<li><a href="https://www.mysql.com/">MySQL</a> version <strong>5.7</strong> or greater OR <a href="https://mariadb.org/">MariaDB</a> version <strong>10.2</strong> or greater.</li>
 	<li>The <a href="https://httpd.apache.org/docs/2.2/mod/mod_rewrite.html">mod_rewrite</a> Apache module.</li>
 	<li><a href="https://wordpress.org/news/2016/12/moving-toward-ssl/">HTTPS</a> support.</li>
 	<li>A link to <a href="https://wordpress.org/">wordpress.org</a> on your site.</li>
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 76540c6ab3..6e753eae70 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-beta4-52419';
+$wp_version = '5.9-beta4-52420';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.