diff --git a/db/seeds.rb b/db/seeds.rb
index 0a4ba3ef41205d37cb528b959212f029f5151c89..15db0a9820ab798fa12fd540f4d6e134266d1308 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -10,6 +10,8 @@ Role.create(name: 'student', description: 'This role represents a Student in Por
 Role.create(name: 'admin', description: 'This role represents an MEC Admin, that can perform any action.')
 Role.create(name: 'curator', description: 'This role represents a content Curator in Portal MEC.')
 Role.create(name: 'moderator', description: 'This role represents a content Moderator in Portal MEC, with less privileges than admin.')
+Role.create(name: 'supervisor', description: 'This role represents an user Supervisor in Portal MEC.')
+Role.create(name: 'editor', description: 'This role represents a content Supervisor in Portal MEC, with less privileges than admin.')
 
 # create the default admin
 User.create(