diff --git a/composer.json b/composer.json
index 347c8fae..bc2599c9 100644
--- a/composer.json
+++ b/composer.json
@@ -59,8 +59,9 @@
         "fzaninotto/faker": "^1.6",
         "graham-campbell/testbench-core": "^1.1",
         "laravel/browser-kit-testing": "^1.0",
-        "mockery/mockery": "0.9.7",
-        "phpunit/phpunit": "5.7.6",
+        "mockery/mockery": "0.9.5",
+        "nikic/php-parser": "^3.0",
+        "phpunit/phpunit": "5.7.20",
         "symfony/css-selector": "^3.1",
         "symfony/dom-crawler": "^3.1",
         "tightenco/mailthief": "^0.3.2"
diff --git a/composer.lock b/composer.lock
index 7d73ef99..a75d11f0 100644
--- a/composer.lock
+++ b/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": "e8b414312cb7fd0a926733c2dff547ca",
+    "content-hash": "a7286e690ae340fb47459861fd2a6d4c",
     "packages": [
         {
             "name": "alt-three/badger",
@@ -4534,6 +4534,53 @@
             ],
             "time": "2015-05-11T14:41:42+00:00"
         },
+        {
+            "name": "laravel/browser-kit-testing",
+            "version": "v1.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/laravel/browser-kit-testing.git",
+                "reference": "0adfb725147815bff5516d157577f375a6e66ebd"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/laravel/browser-kit-testing/zipball/0adfb725147815bff5516d157577f375a6e66ebd",
+                "reference": "0adfb725147815bff5516d157577f375a6e66ebd",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.9",
+                "symfony/css-selector": "~3.1",
+                "symfony/dom-crawler": "~3.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Laravel\\BrowserKitTesting\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Taylor Otwell",
+                    "email": "taylor@laravel.com"
+                }
+            ],
+            "description": "Provides backwards compatibility for BrowserKit testing in Laravel 5.4.",
+            "keywords": [
+                "laravel",
+                "testing"
+            ],
+            "time": "2017-02-08T22:32:37+00:00"
+        },
         {
             "name": "mockery/mockery",
             "version": "0.9.5",
@@ -4641,6 +4688,57 @@
             ],
             "time": "2017-04-12T18:52:22+00:00"
         },
+        {
+            "name": "nikic/php-parser",
+            "version": "v3.0.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nikic/PHP-Parser.git",
+                "reference": "2b9e2f71b722f7c53918ab0c25f7646c2013f17d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/2b9e2f71b722f7c53918ab0c25f7646c2013f17d",
+                "reference": "2b9e2f71b722f7c53918ab0c25f7646c2013f17d",
+                "shasum": ""
+            },
+            "require": {
+                "ext-tokenizer": "*",
+                "php": ">=5.5"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0|~5.0"
+            },
+            "bin": [
+                "bin/php-parse"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PhpParser\\": "lib/PhpParser"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Nikita Popov"
+                }
+            ],
+            "description": "A PHP parser written in PHP",
+            "keywords": [
+                "parser",
+                "php"
+            ],
+            "time": "2017-03-05T18:23:57+00:00"
+        },
         {
             "name": "phpdocumentor/reflection-common",
             "version": "1.0",
@@ -5958,7 +6056,7 @@
         }
     ],
     "aliases": [],
-    "minimum-stability": "stable",
+    "minimum-stability": "dev",
     "stability-flags": {
         "nexmo/client": 10
     },