diff --git a/core/composer.json b/core/composer.json
index afb170a..5b3bd80 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -3,6 +3,12 @@
   "description": "Drupal is an open source content management platform powering millions of websites and applications.",
   "type": "drupal-core",
   "license": "GPL-2.0+",
+  "repositories": [
+    {
+      "type": "vcs",
+      "url":  "git@github.com:joelpittet/MinkPhantomJSDriver.git"
+    }
+  ],
   "require": {
     "php": ">=5.5.9",
     "symfony/class-loader": "2.7.*",
@@ -17,7 +23,7 @@
     "symfony/validator": "2.7.*",
     "symfony/process": "2.7.*",
     "symfony/yaml": "2.7.*",
-    "twig/twig": "^1.23.1",
+    "twig/twig": "^2.0.0-dev",
     "doctrine/common": "2.5.*",
     "doctrine/annotations": "1.2.*",
     "guzzlehttp/guzzle": "~6.1",
@@ -35,7 +41,7 @@
     "behat/mink": "~1.6",
     "behat/mink-goutte-driver": "~1.2",
     "jcalderonzumba/gastonjs": "^1.1@dev",
-    "jcalderonzumba/mink-phantomjs-driver": "dev-master#10d7c48c9a4129463052321b52450d98983c4332",
+    "joelpittet/mink-phantomjs-driver": "dev-master",
     "mikey179/vfsStream": "~1.2",
     "phpunit/phpunit": "~4.8",
     "symfony/css-selector": "2.7.*"