diff --git a/Config.php b/Config.php
index 5c23782deb6..e5335200c2a 100644
--- a/Config.php
+++ b/Config.php
@@ -73,6 +73,7 @@ class Config {
     'stack/builder' => ['tests'],
     'symfony/browser-kit' => ['Tests'],
     'symfony/class-loader' => ['Tests'],
+    'symfony/config' => ['Tests'],
     'symfony/console' => ['Tests'],
     'symfony/css-selector' => ['Tests'],
     'symfony/debug' => ['Tests'],
@@ -89,11 +90,13 @@ class Config {
     'symfony/routing' => ['Tests'],
     'symfony/serializer' => ['Tests'],
     'symfony/translation' => ['Tests'],
-    'symfony/validator' => ['Tests', 'Resources'],
+    'symfony/validator' => ['Test', 'Tests', 'Resources'],
+    'symfony/var-dumber' => ['Test'],
     'symfony/yaml' => ['Tests'],
     'symfony-cmf/routing' => ['Test', 'Tests'],
     'theseer/tokenizer' => ['tests'],
     'twig/twig' => ['doc', 'ext', 'test', 'tests'],
+    'wikimedia/composer-merge-plugin' => ['example', 'tests'],
     'zendframework/zend-escaper' => ['doc'],
     'zendframework/zend-feed' => ['doc'],
     'zendframework/zend-stdlib' => ['doc'],