diff --git a/composer.json b/composer.json
index 808f847..cd86a73 100644
--- a/composer.json
+++ b/composer.json
@@ -13,6 +13,7 @@
     "require": {
         "php": ">=5.3.3",
         "symfony/framework-bundle": ">=2.6",
+        "symfony/dependency-injection": ">=2.5",
         "symfony/console": "~2.7"
     },
     "require-dev": {