diff --git a/composer.json b/composer.json
index 31a3ad65..75506de8 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
     "description": "Symfony 2 bundle which allows to encrypt data in database with some encrypt algorithm",
     "require": {
         "php": ">=5.4",
-        "symfony/framework-bundle": ">=2.0",
+        "symfony/framework-bundle": ">=2.5",
         "doctrine/orm": ">=2.5",
         "ext-mcrypt": "*"
     },