diff --git a/composer.json b/composer.json
index 9397d2e18..ef19e8061 100644
--- a/composer.json
+++ b/composer.json
@@ -18,27 +18,14 @@
         }
     ],
     "require": {
-        "twig/extensions": "^1.2",
-        "symfony/assetic-bundle": "~2.3",
-        "symfony/yaml": "~2.7",
-        "symfony/symfony": "~2.7",
-        "doctrine/dbal": "~2.5",
-        "doctrine/orm": "~2.4",
-        "doctrine/common": "~2.4",
-        "doctrine/doctrine-bundle": "~1.2",
         "chill-project/main": "dev-upgrade-sf3@dev",
-        "chill-project/person": "dev-upgrade-sf3@dev",
-        "champs-libres/composer-bundle-migration": "~1.0",
-        "doctrine/doctrine-migrations-bundle": "~1.1",
-        "doctrine/migrations": "~1.0@dev",
-        "phpunit/phpunit": "^6.2"       
+        "chill-project/person": "dev-upgrade-sf3@dev"
     },
     "require-dev": {
-        "doctrine/doctrine-fixtures-bundle": "~2.2",
+        "doctrine/doctrine-fixtures-bundle": "~3",
         "fzaninotto/faker": "~1",
         "monolog/monolog": "^1.14",
-        "symfony/monolog-bundle": "^2.7",
-        "sensio/generator-bundle": "^2.5"
+        "phpunit/phpunit": "~6"
     },
     "scripts": {
         "post-install-cmd": [