diff --git a/Resources/config/orm.xml b/Resources/config/orm.xml
index 92adb8a75..8c27ee9f4 100644
--- a/Resources/config/orm.xml
+++ b/Resources/config/orm.xml
@@ -95,7 +95,7 @@
 
         <service id="doctrine.orm.configuration" class="%doctrine.orm.configuration.class%" abstract="true" public="false" />
 
-        <service id="doctrine.orm.entity_manager.abstract" class="%doctrine.orm.entity_manager.class%" abstract="true" />
+        <service id="doctrine.orm.entity_manager.abstract" class="%doctrine.orm.entity_manager.class%" abstract="true" lazy="true" />
 
         <!-- The configurator cannot be a private service -->
         <service id="doctrine.orm.manager_configurator.abstract" class="%doctrine.orm.manager_configurator.class%" abstract="true">
diff --git a/composer.json b/composer.json
index 495a1795a..4d4e15bac 100644
--- a/composer.json
+++ b/composer.json
@@ -27,6 +27,7 @@
         "php": ">=5.3.2",
         "symfony/framework-bundle": "~2.3|~3.0",
         "symfony/console": "~2.3|~3.0",
+        "symfony/dependency-injection": "~2.3|~3.0",
         "doctrine/dbal": "~2.3",
         "jdorn/sql-formatter": "~1.1",
         "symfony/doctrine-bridge": "~2.2|~3.0",