diff --git a/composer.lock b/composer.lock
index 60f15fa..fe10236 100644
--- a/composer.lock
+++ b/composer.lock
@@ -901,12 +901,12 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Ctype\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -980,12 +980,12 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1083,16 +1083,16 @@
         },
         {
             "name": "twig/twig",
-            "version": "v2.6.0",
+            "version": "v2.12.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "a11dd39f5b6589e14f0ff3b36675d06047c589b1"
+                "reference": "18772e0190734944277ee97a02a9a6c6555fcd94"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/a11dd39f5b6589e14f0ff3b36675d06047c589b1",
-                "reference": "a11dd39f5b6589e14f0ff3b36675d06047c589b1",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/18772e0190734944277ee97a02a9a6c6555fcd94",
+                "reference": "18772e0190734944277ee97a02a9a6c6555fcd94",
                 "shasum": ""
             },
             "require": {
@@ -1102,13 +1102,12 @@
             },
             "require-dev": {
                 "psr/container": "^1.0",
-                "symfony/debug": "^2.7",
-                "symfony/phpunit-bridge": "^3.4.19|^4.1.8"
+                "symfony/phpunit-bridge": "^4.4|^5.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.6-dev"
+                    "dev-master": "2.12-dev"
                 }
             },
             "autoload": {
@@ -1130,15 +1129,14 @@
                     "homepage": "http://fabien.potencier.org",
                     "role": "Lead Developer"
                 },
+                {
+                    "name": "Twig Team",
+                    "role": "Contributors"
+                },
                 {
                     "name": "Armin Ronacher",
                     "email": "armin.ronacher@active-4.com",
                     "role": "Project Founder"
-                },
-                {
-                    "name": "Twig Team",
-                    "homepage": "https://twig.symfony.com/contributors",
-                    "role": "Contributors"
                 }
             ],
             "description": "Twig, the flexible, fast, and secure template language for PHP",
@@ -1146,7 +1144,11 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2018-12-16T10:36:48+00:00"
+            "support": {
+                "issues": "https://github.com/twigphp/Twig/issues",
+                "source": "https://github.com/twigphp/Twig/tree/2.x"
+            },
+            "time": "2020-02-11T15:31:23+00:00"
         }
     ],
     "packages-dev": [
@@ -3261,5 +3263,5 @@
     "platform-overrides": {
         "php": "7.0"
     },
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.3.0"
 }