diff --git a/CHANGELOG.md b/CHANGELOG.md
index 44117a7e..69ed14e3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [0.8.21 - 09.01.2025]
+
+### Added
+* support for button_color (red, green, blue) (https://github.com/slawkens/myaac/commit/b2c9eb474513650a014352d820602b8007eb3bf3)
+
+### Changed
+* Set default_socket_timeout for ipinfo.io checkup (https://github.com/slawkens/myaac/commit/e09fe517747e4f462c72395ede39759bf308d171)
+
+### Fixed
+* XSS in forum (https://github.com/slawkens/myaac/commit/580b888b1dd1317d7ccf5f888536159c3bfe4324)
+* move_thread by unauthorized user (https://github.com/slawkens/myaac/commit/19d3e15c114de65ef6c379e4da66d32138a0e7c4)
+* change sex wrong price deducted (https://github.com/slawkens/myaac/commit/39b19ed4c8724385ee80f7d02219e84f6b3f5d95)
+* fix for TFS 1.4.2 exception on creating character, where conditions column is NULL,  (https://github.com/slawkens/myaac/commit/5a68d204bb24392d424efde4133b0a3222e788bb)
+
 ## [0.8.20 - 26.11.2024]
 
 Small fix regarding the latest release and the linux system.
diff --git a/common.php b/common.php
index 3a0085be..93b8735b 100644
--- a/common.php
+++ b/common.php
@@ -26,7 +26,7 @@
 if (version_compare(phpversion(), '7.2.5', '<')) die('PHP version 7.2.5 or higher is required.');
 
 define('MYAAC', true);
-define('MYAAC_VERSION', '0.8.21-dev');
+define('MYAAC_VERSION', '0.8.21');
 define('DATABASE_VERSION', 33);
 define('TABLE_PREFIX', 'myaac_');
 define('START_TIME', microtime(true));