diff --git a/CleantalkMod.php b/CleantalkMod.php
index 712e0f7..457455a 100644
--- a/CleantalkMod.php
+++ b/CleantalkMod.php
@@ -16,7 +16,7 @@
 require_once(dirname(__FILE__) . '/cleantalk.class.php');
 
 // define same CleanTalk options
-define('CT_AGENT_VERSION', 'smf-120');
+define('CT_AGENT_VERSION', 'smf-121');
 define('CT_SERVER_URL', 'http://moderate.cleantalk.org');