diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index ea5b9cea..4c0d6da8 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -110,7 +110,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = 'Smarty-3.1.19-dev';
+    const SMARTY_VERSION = 'Smarty-3.1.21-dev';
 
     /**
      * define variable scopes