diff --git a/composer.lock b/composer.lock
index 550dfd88..ef6f9e1c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,10 @@
 {
     "_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#installing-dependencies",
+        "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": "6c8facd9ea26fd63006a35d445fac984",
+    "content-hash": "8ed0d649c464752b717de050e04cd313",
     "packages": [
         {
             "name": "behat/gherkin",
@@ -2959,64 +2959,37 @@
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "2.8.1",
+            "version": "3.2.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "d7cf0d894e8aa4c73712ee4a331cc1eaa37cdc7d"
+                "reference": "4842476c434e375f9d3182ff7b89059583aa8b27"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/d7cf0d894e8aa4c73712ee4a331cc1eaa37cdc7d",
-                "reference": "d7cf0d894e8aa4c73712ee4a331cc1eaa37cdc7d",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/4842476c434e375f9d3182ff7b89059583aa8b27",
+                "reference": "4842476c434e375f9d3182ff7b89059583aa8b27",
                 "shasum": ""
             },
             "require": {
                 "ext-simplexml": "*",
                 "ext-tokenizer": "*",
                 "ext-xmlwriter": "*",
-                "php": ">=5.1.2"
+                "php": ">=5.4.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0"
             },
             "bin": [
-                "scripts/phpcs",
-                "scripts/phpcbf"
+                "bin/phpcs",
+                "bin/phpcbf"
             ],
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.x-dev"
+                    "dev-master": "3.x-dev"
                 }
             },
-            "autoload": {
-                "classmap": [
-                    "CodeSniffer.php",
-                    "CodeSniffer/CLI.php",
-                    "CodeSniffer/Exception.php",
-                    "CodeSniffer/File.php",
-                    "CodeSniffer/Fixer.php",
-                    "CodeSniffer/Report.php",
-                    "CodeSniffer/Reporting.php",
-                    "CodeSniffer/Sniff.php",
-                    "CodeSniffer/Tokens.php",
-                    "CodeSniffer/Reports/",
-                    "CodeSniffer/Tokenizers/",
-                    "CodeSniffer/DocGenerators/",
-                    "CodeSniffer/Standards/AbstractPatternSniff.php",
-                    "CodeSniffer/Standards/AbstractScopeSniff.php",
-                    "CodeSniffer/Standards/AbstractVariableSniff.php",
-                    "CodeSniffer/Standards/IncorrectPatternException.php",
-                    "CodeSniffer/Standards/Generic/Sniffs/",
-                    "CodeSniffer/Standards/MySource/Sniffs/",
-                    "CodeSniffer/Standards/PEAR/Sniffs/",
-                    "CodeSniffer/Standards/PSR1/Sniffs/",
-                    "CodeSniffer/Standards/PSR2/Sniffs/",
-                    "CodeSniffer/Standards/Squiz/Sniffs/",
-                    "CodeSniffer/Standards/Zend/Sniffs/"
-                ]
-            },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "BSD-3-Clause"
@@ -3033,7 +3006,7 @@
                 "phpcs",
                 "standards"
             ],
-            "time": "2017-03-01T22:17:45+00:00"
+            "time": "2018-02-20T21:35:23+00:00"
         },
         {
             "name": "swiftmailer/swiftmailer",