diff --git a/index.php b/index.php
index 6a79f9c..c91b779 100644
--- a/index.php
+++ b/index.php
@@ -3,7 +3,7 @@
  * Plugin Name:  Code Syntax Block
  * Plugin URI:   https://github.com/mkaz/code-syntax-block
  * Description:  A plugin to extend Gutenberg code block with syntax highlighting
- * Version:      2.2.0
+ * Version:      3.0.0
  * Author:       Marcus Kazmierczak
  * Author URI:   https://mkaz.blog/
  * License:      GPL2
@@ -14,7 +14,7 @@
  */
 
 // version added, used in URL
-const MKAZ_CODE_SYNTAX_BLOCK_VERSION = '2.2.0';
+const MKAZ_CODE_SYNTAX_BLOCK_VERSION = '3.0.0';
 const MKAZ_CODE_SYNTAX_DEFAULT_SCHEME = 'prism-a11y-dark';
 const MKAZ_CODE_SYNTAX_COLOR_SCHEMES = ['prism-a11y-dark', 'prism-ghcolors', 'prism-nord', 'prism-onedark'];
 require dirname( __FILE__ ) . '/prism-languages.php';
diff --git a/readme.txt b/readme.txt
index caeff52..b9adb97 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: mkaz, westonruter, memuller, jazanne, jeherve, eclev91
 Donate link: https://www.paypal.me/marcuskazmierczak
 Tags: code, code syntax, syntax highlight, code highlighting
 Requires at least: 5.6
-Tested up to: 5.8.1
+Tested up to: 5.9
 Requires PHP: 5.6
 Stable tag: 2.2.0
 License: GPLv2 or later
@@ -108,6 +108,16 @@ Example:
 
 == Changelog ==
 
+= 3.0.0
+
+- Remove support pre WP 5.6
+- Editor view: Show dark background
+- Editor view: Show labels above code block
+- Publish view: Fix line number alignment
+- Publish view: Remove border from code Twentytwentytwo
+- Chore: Update dependencies
+
+
 = 2.2.0
 
 - Upgrade Prism to v1.25.0