diff --git a/upload/ajax.php b/upload/ajax.php
index cd85a3483..aefb94b17 100644
--- a/upload/ajax.php
+++ b/upload/ajax.php
@@ -317,6 +317,8 @@ class ajax_common
 		}
 
 		DB()->query("UPDATE ". BB_USERS ." SET user_rank = $rank_id WHERE user_id = $user_id LIMIT 1");
+		
+		cache_rm_user_sessions($user_id);
 
 		$this->response['html'] = ($rank_id != 0) ? $lang['AWARDED_RANK'] . ' <b> '. $ranks[$rank_id]['rank_title'] .'</b>' : $lang['SHOT_RANK'];
 	}
diff --git a/upload/config.php b/upload/config.php
index fbfea1b9d..9edf43544 100644
--- a/upload/config.php
+++ b/upload/config.php
@@ -56,7 +56,7 @@ $domain_name = (!empty($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : $do
 
 // Increase number of revision after update
 $bb_cfg['tp_version'] = '2.5 Beta';
-$bb_cfg['tp_release_state'] = 'R452';
+$bb_cfg['tp_release_state'] = 'R453';
 $bb_cfg['tp_release_date'] = '04-09-2012';
 
 // Database