Update Domain

Author: Julián Berbel Alt

Gemfile

@@ -10,8 +10,6 @@ gem 'mini_racer', '~> 0.4'
 gem 'uglifier', '~> 2.7'
 gem 'sanitize', '~> 6.0'
 
-gem 'mumuki-domain', github: 'mumuki/mumuki-domain', branch: 'master'
-
 group :test do
   gem 'rspec-rails', '~> 3.6'
   gem 'factory_bot_rails', '~> 5.0'

mumuki-laboratory.gemspec

@@ -18,7 +18,7 @@ Gem::Specification.new do |s|
 
   s.add_dependency "rails", "~> 5.1.6"
 
-  s.add_dependency 'mumuki-domain', '~> 9.20.0'
+  s.add_dependency 'mumuki-domain', '~> 9.21.0'
   s.add_dependency 'mumukit-bridge', '~> 4.1'
   s.add_dependency 'mumukit-login', '~> 7.7'
   s.add_dependency 'mumukit-nuntius', '~> 6.1'