diff --git a/Resources/config/service.yml b/Resources/config/service.yml
index e1cb923..f4d1fc5 100644
--- a/Resources/config/service.yml
+++ b/Resources/config/service.yml
@@ -7,7 +7,7 @@ parameters:
 services:
     swm.mail_hook.service.mail_hook:
         class: "%swm.mail_hook.service.mail_hook.class%"
-        scope: request
+        shared: false
         arguments:
             - "@request_stack"
             - "@swm.mail_hook.provider.api_service"
diff --git a/composer.json b/composer.json
index 8979769..b70c022 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
     ],
     "require": {
         "php": ">=5.3.9",
-        "symfony/framework-bundle": "~2.4|~3.0"
+        "symfony/framework-bundle": "~2.8|~3.0"
     },
     "require-dev": {
         "atoum/atoum": "dev-master"