diff --git a/composer.lock b/composer.lock
index ac43fc0..08e133e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -317,7 +317,7 @@
                 {
                     "name": "Greg Beaver",
                     "email": "cellog@php.net",
-                    "role": "lead"
+                    "role": "Lead"
                 }
             ],
             "description": "Translate grammar files in Lemon Parser Generator format into a PHP 5 parser",
@@ -1621,6 +1621,52 @@
             ],
             "time": "2018-12-12T07:20:32+00:00"
         },
+        {
+            "name": "psr/cache",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/cache.git",
+                "reference": "d11b50ad223250cf17b86e38383413f5a6764bf8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/cache/zipball/d11b50ad223250cf17b86e38383413f5a6764bf8",
+                "reference": "d11b50ad223250cf17b86e38383413f5a6764bf8",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Cache\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for caching libraries",
+            "keywords": [
+                "cache",
+                "psr",
+                "psr-6"
+            ],
+            "time": "2016-08-06T20:24:11+00:00"
+        },
         {
             "name": "psr/container",
             "version": "1.0.0",
@@ -2508,36 +2554,45 @@
         },
         {
             "name": "symfony/contracts",
-            "version": "v1.0.2",
+            "version": "v1.1.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/contracts.git",
-                "reference": "1aa7ab2429c3d594dd70689604b5cf7421254cdf"
+                "reference": "f51bca9de06b7a25b19a4155da7bebad099a5def"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/contracts/zipball/1aa7ab2429c3d594dd70689604b5cf7421254cdf",
-                "reference": "1aa7ab2429c3d594dd70689604b5cf7421254cdf",
+                "url": "https://api.github.com/repos/symfony/contracts/zipball/f51bca9de06b7a25b19a4155da7bebad099a5def",
+                "reference": "f51bca9de06b7a25b19a4155da7bebad099a5def",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3"
-            },
-            "require-dev": {
+                "php": "^7.1.3",
                 "psr/cache": "^1.0",
                 "psr/container": "^1.0"
             },
+            "replace": {
+                "symfony/cache-contracts": "self.version",
+                "symfony/event-dispatcher-contracts": "self.version",
+                "symfony/http-client-contracts": "self.version",
+                "symfony/service-contracts": "self.version",
+                "symfony/translation-contracts": "self.version"
+            },
+            "require-dev": {
+                "symfony/polyfill-intl-idn": "^1.10"
+            },
             "suggest": {
-                "psr/cache": "When using the Cache contracts",
-                "psr/container": "When using the Service contracts",
-                "symfony/cache-contracts-implementation": "",
-                "symfony/service-contracts-implementation": "",
-                "symfony/translation-contracts-implementation": ""
+                "psr/event-dispatcher": "When using the EventDispatcher contracts",
+                "symfony/cache-implementation": "",
+                "symfony/event-dispatcher-implementation": "",
+                "symfony/http-client-implementation": "",
+                "symfony/service-implementation": "",
+                "symfony/translation-implementation": ""
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0-dev"
+                    "dev-master": "1.1-dev"
                 }
             },
             "autoload": {
@@ -2572,26 +2627,26 @@
                 "interoperability",
                 "standards"
             ],
-            "time": "2018-12-05T08:06:11+00:00"
+            "time": "2019-11-07T12:44:51+00:00"
         },
         {
             "name": "symfony/dependency-injection",
-            "version": "v4.2.2",
+            "version": "v4.2.12",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dependency-injection.git",
-                "reference": "a28dda9df1d5494367454cad91e44751ac53921c"
+                "reference": "39fe71bc481483f255e388a658c8f1104fec037e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/a28dda9df1d5494367454cad91e44751ac53921c",
-                "reference": "a28dda9df1d5494367454cad91e44751ac53921c",
+                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/39fe71bc481483f255e388a658c8f1104fec037e",
+                "reference": "39fe71bc481483f255e388a658c8f1104fec037e",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.1.3",
                 "psr/container": "^1.0",
-                "symfony/contracts": "^1.0"
+                "symfony/contracts": "^1.1.1"
             },
             "conflict": {
                 "symfony/config": "<4.2",
@@ -2601,7 +2656,7 @@
             },
             "provide": {
                 "psr/container-implementation": "1.0",
-                "symfony/service-contracts-implementation": "1.0"
+                "symfony/service-implementation": "1.0"
             },
             "require-dev": {
                 "symfony/config": "~4.2",
@@ -2645,7 +2700,7 @@
             ],
             "description": "Symfony DependencyInjection Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-05T16:37:49+00:00"
+            "time": "2019-07-19T12:05:51+00:00"
         },
         {
             "name": "symfony/filesystem",