diff --git a/src/schedule-2.0/composer.lock b/src/schedule-2.0/composer.lock
index 13cf066..4f8643b 100644
--- a/src/schedule-2.0/composer.lock
+++ b/src/schedule-2.0/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "24b27b5f4efd6efcabe5c89e1e1ac51b",
+    "content-hash": "1be2a2e3a398eb23cd3c3e26bc75c090",
     "packages": [
         {
             "name": "doctrine/annotations",
@@ -2557,6 +2557,68 @@
             ],
             "time": "2019-12-27T08:57:19+00:00"
         },
+        {
+            "name": "swiftmailer/swiftmailer",
+            "version": "v6.2.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/swiftmailer/swiftmailer.git",
+                "reference": "149cfdf118b169f7840bbe3ef0d4bc795d1780c9"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/swiftmailer/swiftmailer/zipball/149cfdf118b169f7840bbe3ef0d4bc795d1780c9",
+                "reference": "149cfdf118b169f7840bbe3ef0d4bc795d1780c9",
+                "shasum": ""
+            },
+            "require": {
+                "egulias/email-validator": "~2.0",
+                "php": ">=7.0.0",
+                "symfony/polyfill-iconv": "^1.0",
+                "symfony/polyfill-intl-idn": "^1.10",
+                "symfony/polyfill-mbstring": "^1.0"
+            },
+            "require-dev": {
+                "mockery/mockery": "~0.9.1",
+                "symfony/phpunit-bridge": "^3.4.19|^4.1.8"
+            },
+            "suggest": {
+                "ext-intl": "Needed to support internationalized email addresses",
+                "true/punycode": "Needed to support internationalized email addresses, if ext-intl is not installed"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "6.2-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "lib/swift_required.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Chris Corbyn"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                }
+            ],
+            "description": "Swiftmailer, free feature-rich PHP mailer",
+            "homepage": "https://swiftmailer.symfony.com",
+            "keywords": [
+                "email",
+                "mail",
+                "mailer"
+            ],
+            "time": "2019-11-12T09:31:26+00:00"
+        },
         {
             "name": "symfony/apache-pack",
             "version": "v1.0.1",
@@ -5811,6 +5873,71 @@
             "homepage": "https://symfony.com",
             "time": "2020-01-04T13:00:46+00:00"
         },
+        {
+            "name": "symfony/swiftmailer-bundle",
+            "version": "v3.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/swiftmailer-bundle.git",
+                "reference": "553d2474288349faed873da8ab7c1551a00d26ae"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/swiftmailer-bundle/zipball/553d2474288349faed873da8ab7c1551a00d26ae",
+                "reference": "553d2474288349faed873da8ab7c1551a00d26ae",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1",
+                "swiftmailer/swiftmailer": "^6.1.3",
+                "symfony/config": "^4.3.8|^5.0",
+                "symfony/dependency-injection": "^4.3.8|^5.0",
+                "symfony/http-kernel": "^4.3.8|^5.0"
+            },
+            "conflict": {
+                "twig/twig": "<1.41|<2.10"
+            },
+            "require-dev": {
+                "symfony/console": "^4.3.8|^5.0",
+                "symfony/framework-bundle": "^4.3.8|^5.0",
+                "symfony/phpunit-bridge": "^4.3.8|^5.0",
+                "symfony/yaml": "^4.3.8|^5.0"
+            },
+            "suggest": {
+                "psr/log": "Allows logging"
+            },
+            "type": "symfony-bundle",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Bundle\\SwiftmailerBundle\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "http://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony SwiftmailerBundle",
+            "homepage": "http://symfony.com",
+            "time": "2019-11-14T16:18:31+00:00"
+        },
         {
             "name": "symfony/templating",
             "version": "v4.4.5",