diff --git a/composer.json b/composer.json
index 28907d4..2143af5 100644
--- a/composer.json
+++ b/composer.json
@@ -12,8 +12,7 @@
     "require": {
         "php": ">=5.3.3",
         "pimple/pimple": ">=2.1,<4",
-        "dflydev/doctrine-orm-service-provider": "~2.0",
-        "doctrine/orm": "~2.4,>=2.4.5"
+        "dflydev/doctrine-orm-service-provider": "~2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.1",