diff --git a/composer.lock b/composer.lock
index cef67f8..d3e38c3 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,7 +1,7 @@
 {
     "_readme": [
         "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"
     ],
     "content-hash": "71a9b3759d77d9b4770ae1aedcda61c6",
@@ -963,38 +963,40 @@
         },
         {
             "name": "doctrine/orm",
-            "version": "v2.5.12",
+            "version": "v2.6.3",
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                 "type": "git",
-                "url": "https://github.com/doctrine/doctrine2.git",
-                "reference": "984535cadc609e9eef8c89414aa3568ee97aa79f"
+                "url": "https://github.com/doctrine/orm.git",
+                "reference": "434820973cadf2da2d66e7184be370084cc32ca8"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/doctrine2/zipball/984535cadc609e9eef8c89414aa3568ee97aa79f",
-                "reference": "984535cadc609e9eef8c89414aa3568ee97aa79f",
+                "url": "https://api.github.com/repos/doctrine/orm/zipball/434820973cadf2da2d66e7184be370084cc32ca8",
+                "reference": "434820973cadf2da2d66e7184be370084cc32ca8",
                 "shasum": ""
             },
             "require": {
-                "doctrine/cache": "~1.4",
-                "doctrine/collections": "~1.2",
-                "doctrine/common": ">=2.5-dev,<2.9-dev",
-                "doctrine/dbal": ">=2.5-dev,<2.7-dev",
-                "doctrine/instantiator": "^1.0.1",
+                "doctrine/annotations": "~1.5",
+                "doctrine/cache": "~1.6",
+                "doctrine/collections": "^1.4",
+                "doctrine/common": "^2.7.1",
+                "doctrine/dbal": "^2.6",
+                "doctrine/instantiator": "~1.1",
                 "ext-pdo": "*",
-                "php": ">=5.4",
-                "symfony/console": "~2.5|~3.0|~4.0"
+                "php": "^7.1",
+                "symfony/console": "~3.0|~4.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0",
-                "symfony/yaml": "~2.3|~3.0|~4.0"
+                "doctrine/coding-standard": "^1.0",
+                "phpunit/phpunit": "^6.5",
+                "squizlabs/php_codesniffer": "^3.2",
+                "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/yaml": "If you want to use YAML Metadata Mapping Driver"
             },
             "bin": [
-                "bin/doctrine",
-                "bin/doctrine.php"
+                "bin/doctrine"
             ],
             "type": "library",
             "extra": {
@@ -1003,8 +1005,8 @@
                 }
             },
             "autoload": {
-                "psr-0": {
-                    "Doctrine\\ORM\\": "lib/"
+                "psr-4": {
+                    "Doctrine\\ORM\\": "lib/Doctrine/ORM"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -1027,6 +1029,10 @@
                 {
                     "name": "Jonathan Wage",
                     "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Marco Pivetta",
+                    "email": "ocramius@gmail.com"
                 }
             ],
             "description": "Object-Relational-Mapper for PHP",
@@ -1035,7 +1041,7 @@
                 "database",
                 "orm"
             ],
-            "time": "2017-10-23T18:21:04+00:00"
+            "time": "2018-11-20T23:46:46+00:00"
         },
         {
             "name": "fig/link-util",
@@ -3606,16 +3612,16 @@
         },
         {
             "name": "zendframework/zend-code",
-            "version": "3.3.0",
+            "version": "3.3.1",
             "source": {
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                 "url": "https://github.com/zendframework/zend-code.git",
-                "reference": "6b1059db5b368db769e4392c6cb6cc139e56640d"
+                "reference": "c21db169075c6ec4b342149f446e7b7b724f95eb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/zendframework/zend-code/zipball/6b1059db5b368db769e4392c6cb6cc139e56640d",
-                "reference": "6b1059db5b368db769e4392c6cb6cc139e56640d",
+                "url": "https://api.github.com/repos/zendframework/zend-code/zipball/c21db169075c6ec4b342149f446e7b7b724f95eb",
+                "reference": "c21db169075c6ec4b342149f446e7b7b724f95eb",
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             "require": {
@@ -3636,8 +3642,8 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev",
-                    "dev-develop": "3.3-dev"
+                    "dev-master": "3.3.x-dev",
+                    "dev-develop": "3.4.x-dev"
                 }
             },
             "autoload": {
@@ -3655,7 +3661,7 @@
                 "code",
                 "zf2"
             ],
-            "time": "2017-10-20T15:21:32+00:00"
+            "time": "2018-08-13T20:36:59+00:00"
         },
         {
             "name": "zendframework/zend-eventmanager",