diff --git a/framework/Mvc/Renderers/TwigExtensions.php b/framework/Mvc/Renderers/TwigExtensions.php
index <HASH>..<HASH> 100644
--- a/framework/Mvc/Renderers/TwigExtensions.php
+++ b/framework/Mvc/Renderers/TwigExtensions.php
@@ -63,6 +63,7 @@ class TwigExtensions
     {
         return [
             new \Twig_SimpleFilter('repeat', 'str_repeat'),
+            new \Twig_SimpleFilter('unique', 'array_unique'),
             new \Twig_SimpleFilter('count', 'count'),
             new \Twig_SimpleFilter('sum', function ($val) {return is_array($val) ? array_sum($val) : 0;}),
             new \Twig_SimpleFilter('basename', 'basename'),
+ 'unique' filter is added