diff --git a/document_page/__openerp__.py b/document_page/__openerp__.py
index 769422ea..7b9d700a 100644
--- a/document_page/__openerp__.py
+++ b/document_page/__openerp__.py
@@ -33,6 +33,7 @@ Web pages
     'license': 'AGPL-3',
     'depends': [
         'knowledge',
+        'mail',
     ],
     'data': [
         'wizard/document_page_create_menu_view.xml',