diff --git a/composer.json b/composer.json
index a64ec06..aeebaea 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
   ],
   "require": {
     "php": "^7.4",
-    "twig/twig": "2.4.*",
+    "twig/twig": "2.14.*",
     "michelf/php-markdown": "^1.8"
   },
   "autoload": {
diff --git a/composer.lock b/composer.lock
index 101c884..046e0d6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "9a6ce55d736d8d7fb10ba2d43df462fd",
+    "content-hash": "afb14f908911a626132e73447527c365",
     "packages": [
         {
             "name": "michelf/php-markdown",
@@ -59,6 +59,88 @@
             },
             "time": "2021-11-24T02:52:38+00:00"
         },
+        {
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.24.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "30885182c981ab175d4d034db0f6f469898070ab"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/30885182c981ab175d4d034db0f6f469898070ab",
+                "reference": "30885182c981ab175d4d034db0f6f469898070ab",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "provide": {
+                "ext-ctype": "*"
+            },
+            "suggest": {
+                "ext-ctype": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.23-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.24.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-10-20T20:35:02+00:00"
+        },
         {
             "name": "symfony/polyfill-mbstring",
             "version": "v1.24.0",
@@ -142,33 +224,110 @@
             ],
             "time": "2021-11-30T18:21:41+00:00"
         },
+        {
+            "name": "symfony/polyfill-php72",
+            "version": "v1.24.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php72.git",
+                "reference": "9a142215a36a3888e30d0a9eeea9766764e96976"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/9a142215a36a3888e30d0a9eeea9766764e96976",
+                "reference": "9a142215a36a3888e30d0a9eeea9766764e96976",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.23-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php72\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php72/tree/v1.24.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-05-27T09:17:38+00:00"
+        },
         {
             "name": "twig/twig",
-            "version": "v2.4.8",
+            "version": "v2.14.11",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "7b604c89da162034bdf4bb66310f358d313dd16d"
+                "reference": "66baa66f29ee30e487e05f1679903e36eb01d727"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/7b604c89da162034bdf4bb66310f358d313dd16d",
-                "reference": "7b604c89da162034bdf4bb66310f358d313dd16d",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/66baa66f29ee30e487e05f1679903e36eb01d727",
+                "reference": "66baa66f29ee30e487e05f1679903e36eb01d727",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.0",
-                "symfony/polyfill-mbstring": "~1.0"
+                "php": ">=7.1.3",
+                "symfony/polyfill-ctype": "^1.8",
+                "symfony/polyfill-mbstring": "^1.3",
+                "symfony/polyfill-php72": "^1.8"
             },
             "require-dev": {
                 "psr/container": "^1.0",
-                "symfony/debug": "^2.7",
-                "symfony/phpunit-bridge": "^3.3"
+                "symfony/phpunit-bridge": "^4.4.9|^5.0.9|^6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.4-dev"
+                    "dev-master": "2.14-dev"
                 }
             },
             "autoload": {
@@ -190,28 +349,36 @@
                     "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": "http://twig.sensiolabs.org/contributors",
-                    "role": "Contributors"
                 }
             ],
             "description": "Twig, the flexible, fast, and secure template language for PHP",
-            "homepage": "http://twig.sensiolabs.org",
+            "homepage": "https://twig.symfony.com",
             "keywords": [
                 "templating"
             ],
             "support": {
-                "forum": "https://groups.google.com/forum/#!forum/twig-users",
                 "issues": "https://github.com/twigphp/Twig/issues",
-                "source": "https://github.com/twigphp/Twig/tree/v2.4.8"
+                "source": "https://github.com/twigphp/Twig/tree/v2.14.11"
             },
-            "time": "2018-04-02T09:24:19+00:00"
+            "funding": [
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/twig/twig",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-02-04T06:57:25+00:00"
         }
     ],
     "packages-dev": [],
@@ -224,5 +391,5 @@
         "php": "^7.4"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.1.0"
+    "plugin-api-version": "2.2.0"
 }