diff --git a/spec/features/new_default_project_spec.rb b/spec/features/new_default_project_spec.rb
index aebbdd6..2dcf170 100644
--- a/spec/features/new_default_project_spec.rb
+++ b/spec/features/new_default_project_spec.rb
@@ -122,6 +122,11 @@
     expect(gemfile_file).to match("gem 'better_errors'")
   end
 
+  it 'uses rails-i18n' do
+    gemfile_file = content('Gemfile')
+    expect(gemfile_file).to match(/^gem 'rails-i18n'/)
+  end
+
   it 'uses show_for' do
     gemfile_file = content('Gemfile')
     expect(gemfile_file).to match(/^gem 'show_for'/)
diff --git a/spec/features/new_not_default_project_spec.rb b/spec/features/new_not_default_project_spec.rb
index 6b0e27c..70c6d8c 100644
--- a/spec/features/new_not_default_project_spec.rb
+++ b/spec/features/new_not_default_project_spec.rb
@@ -109,6 +109,11 @@
     expect(gemfile_file).to match("gem 'better_errors'")
   end
 
+  it 'uses rails-i18n' do
+    gemfile_file = content('Gemfile')
+    expect(gemfile_file).to match(/^gem 'rails-i18n'/)
+  end
+
   it 'do not use show_for' do
     gemfile_file = content('Gemfile')
     expect(gemfile_file).not_to match(/^gem 'show_for'/)
diff --git a/templates/Gemfile.erb b/templates/Gemfile.erb
index 100126a..c973621 100644
--- a/templates/Gemfile.erb
+++ b/templates/Gemfile.erb
@@ -27,3 +27,6 @@ group :development, :test do
   gem 'colorize', '~> 0.8.1'
   gem 'better_errors', '~> 2.4'
 end
+
+# A set of common locale data and translations to internationalize and/or localize your Rails applications.
+gem 'rails-i18n', '~> 5.0', '>= 5.0.4'