diff --git a/src/Edge/Twig/Validator/Twig.php b/src/Edge/Twig/Validator/Twig.php
index 82c46e0..1f87c72 100644
--- a/src/Edge/Twig/Validator/Twig.php
+++ b/src/Edge/Twig/Validator/Twig.php
@@ -7,7 +7,7 @@
 use Twig_Error;
 use Twig_Error_Syntax;
 use Twig_Loader_Array;
-use Twig_Sandbox_SecurityError;
+use Twig_Source;
 
 class Twig extends AbstractValidator
 {
@@ -50,14 +50,10 @@ public function getTwig()
     public function isValid($value)
     {
         try {
-            $template = $this->twig->createTemplate($value);
-            $template->render([]);
+            $this->twig->parse($this->twig->tokenize(new Twig_Source($value, 'template')));
         } catch (Twig_Error_Syntax $e) {
             $this->error(self::SYNTAX_ERROR, $e->getRawMessage());
             return false;
-        } catch (Twig_Sandbox_SecurityError $e) {
-            $this->error(self::SECURITY_ERROR, $e->getRawMessage());
-            return false;
         } catch (Twig_Error $e) {
             $this->error(self::UNKNOWN_PARSE_ERROR);
             return false;
@@ -65,4 +61,4 @@ public function isValid($value)
 
         return true;
     }
-}
\ No newline at end of file
+}