diff --git a/core/constants.php b/core/constants.php
index 3a51c8cc9..c336aba87 100644
--- a/core/constants.php
+++ b/core/constants.php
@@ -29,8 +29,8 @@
  * -------------------------------------------------------------------------
  */
 
-define('VERSION_INT',		'2.3.12.0');				// the internal version number for updates & update check
-define('VERSION_EXT',		'2.3.12');				// the external version number to be shown in the footer
+define('VERSION_INT',		'2.3.13.0');				// the internal version number for updates & update check
+define('VERSION_EXT',		'2.3.13');				// the external version number to be shown in the footer
 define('VERSION_WIP',		false);					// work in progress or stable?
 define('VERSION_PHP_RQ',	'5.6.0');				// required version of PHP
 define('VERSION_PHP_REC',	'7.2.0');				// recommended version of PHP