diff --git a/common.php b/common.php
index 2ac2c2de..7fc7f95f 100644
--- a/common.php
+++ b/common.php
@@ -26,7 +26,7 @@
 if (version_compare(phpversion(), '8.1', '<')) die('PHP version 8.1 or higher is required.');
 
 const MYAAC = true;
-const MYAAC_VERSION = '1.5';
+const MYAAC_VERSION = '1.5.1-dev';
 const DATABASE_VERSION = 45;
 const TABLE_PREFIX = 'myaac_';
 define('START_TIME', microtime(true));