diff --git a/app/models/user.rb b/app/models/user.rb
index ba3be79f..2767e628 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -6,7 +6,7 @@ class User < ApplicationRecord
          :recoverable, :rememberable, :validatable, :jwt_authenticatable, jwt_revocation_strategy: self
 
   # Defines available roles and sets default role as user.
-  ROLES = %w[admin user teacher].freeze
+  ROLES = %w[admin user teacher speaker].freeze
 
   has_many :orders
   has_many :donations, -> { where(canceled: false) }