diff --git a/readme.txt b/readme.txt
index 955630c1..92ce7883 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,8 +3,8 @@ Contributors: takayukister
 Donate link: https://contactform7.com/donate/
 Tags: contact, form, contact form, feedback, email, ajax, captcha, akismet, multilingual
 Requires at least: 5.9
-Tested up to: 5.9
-Stable tag: 5.5.5
+Tested up to: 6.0
+Stable tag: 5.5.6
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
diff --git a/wp-contact-form-7.php b/wp-contact-form-7.php
index 86ace956..95a117fc 100644
--- a/wp-contact-form-7.php
+++ b/wp-contact-form-7.php
@@ -7,10 +7,10 @@
 Author URI: https://ideasilo.wordpress.com/
 Text Domain: contact-form-7
 Domain Path: /languages/
-Version: 5.6-alpha
+Version: 5.6-beta
 */
 
-define( 'WPCF7_VERSION', '5.6-alpha' );
+define( 'WPCF7_VERSION', '5.6-beta' );
 
 define( 'WPCF7_REQUIRED_WP_VERSION', '5.9' );