diff --git a/composer.json b/composer.json
index 9687314c41b7fa2c00ca97fc6fc1c940a9f2ee47..616121219638ce3f6411d97e05c0a5fd2ad7228c 100644
--- a/composer.json
+++ b/composer.json
@@ -26,8 +26,17 @@
     ],
     "require": {
         "php": "^7.1",
-        "symfony/framework-bundle": "^2.7 || ^3.0",
-        "doctrine/doctrine-bundle": "^1.6"
+        "ext-json": "*",
+        "doctrine/doctrine-bundle": "^1.6",
+        "doctrine/orm": "^2.5",
+        "symfony/config": "^3.0",
+        "symfony/console": "^3.0",
+        "symfony/depency-injection": "^3.0",
+        "symfony/filesystem": "^3.0",
+        "symfony/finder": "^3.0",
+        "symfony/framework-bundle": "^3.0",
+        "symfony/http-kernel": "^3.0",
+        "symfony/security": "^3.0"
     },
     "require-dev": {
     },