diff --git a/install/sql/ispconfig3.sql b/install/sql/ispconfig3.sql
index 17b08b6289f317a78548aa77029f75bb7b350d77..d9898fb1b9ee0d7a01f79e66e72f834856c5cd8c 100644
--- a/install/sql/ispconfig3.sql
+++ b/install/sql/ispconfig3.sql
@@ -2477,7 +2477,7 @@ INSERT INTO `sys_user` (`userid`, `sys_userid`, `sys_groupid`, `sys_perm_user`,
 -- Dumping data for table `sys_config`
 --
 
-INSERT INTO sys_config VALUES ('db','db_version','3.1a1');
+INSERT INTO sys_config VALUES ('db','db_version','3.1b1');
 INSERT INTO sys_config VALUES ('interface','session_timeout','0');
 
 SET FOREIGN_KEY_CHECKS = 1;
diff --git a/install/tpl/config.inc.php.master b/install/tpl/config.inc.php.master
index 35211736890fa43b535173146d4ceb303004ed88..2ba18f3ed37204e1132dce895b2a9777ab8aa682 100644
--- a/install/tpl/config.inc.php.master
+++ b/install/tpl/config.inc.php.master
@@ -56,7 +56,7 @@ $revision = str_replace(array('Revision:','$',' '), '', $svn_revision);
 
 //** Application
 define('ISPC_APP_TITLE', 'ISPConfig');
-define('ISPC_APP_VERSION', '3.1a1');
+define('ISPC_APP_VERSION', '3.1b1');
 define('DEVSYSTEM', 0);