diff --git a/composer.json b/composer.json
index 1415499..e6892aa 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "minimum-stability": "dev",
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+        "gocardless/gocardless-pro-php": "4.3.0",
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         "altorouter/altorouter": "dev-master"
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diff --git a/composer.lock b/composer.lock
index a839f5b..dd3734e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,10 @@
 {
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         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
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-    "hash": "57f22609338c5f5327f191c380e9631a",
+    "content-hash": "f6f4becea580bfae37c1b721df1baa74",
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@@ -21,11 +21,12 @@
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+                "php": ">=5.6.0"
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-                "phpunit/phpunit": "4.5.*"
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@@ -59,38 +60,38 @@
                 "router",
                 "routing"
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-            "time": "2015-03-28 10:51:38"
+            "time": "2015-03-28T10:51:38+00:00"
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-                "reference": "3c68dcbe820416d5b0253a014fad14c3ac370183",
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-                "satooshi/php-coveralls": "~0.6.1",
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@@ -110,7 +111,593 @@
                 "direct debit",
                 "gocardless"
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+            "abandoned": "gocardless/gocardless-pro",
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+                {
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+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-06-06T08:46:27+00:00"
         },
         {
             "name": "twig/twig",
@@ -118,26 +705,34 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "206d54792002375a2d7a76f6988d21a064d133dd"
+                "reference": "636215f87c6031ee126748857cdb0f1cdd6ed3c8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/206d54792002375a2d7a76f6988d21a064d133dd",
-                "reference": "206d54792002375a2d7a76f6988d21a064d133dd",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/636215f87c6031ee126748857cdb0f1cdd6ed3c8",
+                "reference": "636215f87c6031ee126748857cdb0f1cdd6ed3c8",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.2.7"
+                "php": ">=7.1.3",
+                "symfony/polyfill-ctype": "^1.8"
+            },
+            "require-dev": {
+                "psr/container": "^1.0",
+                "symfony/phpunit-bridge": "^4.4.9|^5.0.9"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.18-dev"
+                    "dev-master": "1.43-dev"
                 }
             },
             "autoload": {
                 "psr-0": {
                     "Twig_": "lib/"
+                },
+                "psr-4": {
+                    "Twig\\": "src/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -151,23 +746,44 @@
                     "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"
             ],
-            "time": "2015-05-07 15:16:34"
+            "funding": [
+                {
+                    "url": "https://certification.symfony.com/",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://live.symfony.com/",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://symfony.com/cloud/",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/twig/twig",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-06-22T15:24:49+00:00"
         }
     ],
     "packages-dev": [],
@@ -179,5 +795,6 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
 }