diff --git a/TwigExtension/TicketFeatureExtension.php b/TwigExtension/TicketFeatureExtension.php
index fa08904e..32583621 100644
--- a/TwigExtension/TicketFeatureExtension.php
+++ b/TwigExtension/TicketFeatureExtension.php
@@ -3,8 +3,10 @@
 namespace Hackzilla\Bundle\TicketBundle\TwigExtension;
 
 use Hackzilla\Bundle\TicketBundle\Component\TicketFeatures;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
 
-class TicketFeatureExtension extends \Twig_Extension
+class TicketFeatureExtension extends AbstractExtension
 {
     private $ticketFeatures;
 
@@ -19,7 +21,7 @@ public function __construct(TicketFeatures $ticketFeatures)
     public function getFunctions()
     {
         return [
-            new \Twig_SimpleFunction('hasTicketFeature', [$this, 'hasFeature']),
+            new TwigFunction('hasTicketFeature', [$this, 'hasFeature']),
         ];
     }
 
diff --git a/TwigExtension/TicketGlobalExtension.php b/TwigExtension/TicketGlobalExtension.php
index 17a44f29..2a25f79a 100644
--- a/TwigExtension/TicketGlobalExtension.php
+++ b/TwigExtension/TicketGlobalExtension.php
@@ -2,7 +2,10 @@
 
 namespace Hackzilla\Bundle\TicketBundle\TwigExtension;
 
-class TicketGlobalExtension extends \Twig_Extension implements \Twig_Extension_GlobalsInterface
+use Twig\Extension\AbstractExtension;
+use Twig\Extension\GlobalsInterface;
+
+class TicketGlobalExtension extends AbstractExtension implements GlobalsInterface
 {
     protected $templates = [];
 
diff --git a/composer.json b/composer.json
index b091843e..c9e4e40c 100644
--- a/composer.json
+++ b/composer.json
@@ -41,7 +41,8 @@
         "symfony/security-bundle": "^2.8 || ^3.0 || ^4.0",
         "symfony/translation": "^2.8 || ^3.0 || ^4.0",
         "symfony/validator": "^2.8 || ^3.0 || ^4.0",
-        "symfony/yaml": "^2.8 || ^3.0 || ^4.0"
+        "symfony/yaml": "^2.8 || ^3.0 || ^4.0",
+        "twig/twig": "^1.34 || ^2.0"
     },
     "require-dev": {
         "ext-pdo_sqlite": "*",