diff --git a/.travis.yml b/.travis.yml
index 63cea48..0c10f83 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,8 +9,7 @@ notifications:
   webhooks:
     - https://webhooks.gitter.im/e/b5d48907cdc89864b874
 rvm:
-  - 2.3.1
-  - 2.2
-  - 2.1
-  - 2.0.0
+  - 2.4.2
+  - 2.3.5
+  - 2.2.8
 sudo: false
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index 394db2d..8043266 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ group :assets do
 end
 
 group :development do
-  gem 'quiet_assets'
+  gem 'listen'
 end
 
 group :test do
diff --git a/app/views/refinery/admin/settings/_actions.html.erb b/app/views/refinery/admin/settings/_actions.html.erb
index bcd23a3..741d269 100644
--- a/app/views/refinery/admin/settings/_actions.html.erb
+++ b/app/views/refinery/admin/settings/_actions.html.erb
@@ -3,6 +3,6 @@
     <%= render '/refinery/admin/search', :url => refinery.admin_settings_path %>
   </li>
   <li>
-    <%= link_to t('.new'), refinery.new_admin_setting_path(:dialog => true), :class => "add_icon" %>
+    <%= action_label :add, refinery.new_admin_setting_path(dialog: true), t('.new') %>
   </li>
 </ul>
diff --git a/app/views/refinery/admin/settings/_setting.html.erb b/app/views/refinery/admin/settings/_setting.html.erb
index 353e501..854410c 100644
--- a/app/views/refinery/admin/settings/_setting.html.erb
+++ b/app/views/refinery/admin/settings/_setting.html.erb
@@ -1,23 +1,22 @@
+<% # setup params for various action links
+  edit_url ||= refinery.edit_admin_setting_path(setting, dialog: true, width: 725, height: 525)
+  delete_url ||= refinery.admin_setting_path(setting)
+  delete_options ||= {
+    class: "cancel confirm-delete",
+    data: {
+      confirm: t('message', scope: 'refinery.admin.delete', title: setting.title)
+    }
+  }
+%>
+
 <li class='clearfix record <%= cycle("on", "on-hover") %>'>
   <span class='title'>
     <%= t(setting.name, :scope => 'refinery.admin.settings.form.title', :default => setting.title) %>
     <span class="preview">- <%= truncate(setting.value.to_s, :length => 40) %></span>
   </span>
   <span class='actions'>
-    <%= link_to refinery_icon_tag('application_edit.png'),
-                refinery.edit_admin_setting_path(setting, :dialog => true, :width => 725, :height => 525),
-                :title => t('edit', :scope => 'refinery.admin.settings') %>
-    <%= link_to refinery_icon_tag('delete.png'),
-                refinery.admin_setting_path(setting),
-                :class => 'cancel confirm-delete',
-                :title => t('delete', :scope => 'refinery.admin.settings'),
-                :data => { :confirm => t('message', :scope => 'refinery.admin.delete', :title => setting.title) },
-                :method => :delete if setting.destroyable %>
-
-    <% unless (help = t(setting.name, :scope => 'refinery.admin.settings.form.help', :default => '')).blank? %>
-      <%= link_to refinery_icon_tag('information.png'), '#',
-                  :tooltip => help,
-                  :class => 'information suppress' %>
-    <% end %>
+    <%= action_icon(:info, '#', t('restricted', scope: 'refinery.admin.settings')) if setting.restricted %>
+    <%= action_icon(:edit, edit_url, t('edit', scope: 'refinery.admin.settings')) %>
+    <%= action_icon(:delete, delete_url, t('delete', scope: 'refinery.admin.settings'), delete_options) if setting.destroyable %>
   </span>
 </li>
diff --git a/app/views/refinery/admin/settings/index.html.erb b/app/views/refinery/admin/settings/index.html.erb
index 8eb20e3..a22ae32 100644
--- a/app/views/refinery/admin/settings/index.html.erb
+++ b/app/views/refinery/admin/settings/index.html.erb
@@ -3,13 +3,4 @@
 </div>
 <div id='actions'>
   <%= render 'actions' %>
-</div>
-<% content_for :javascripts do %>
-  <script>
-    $(document).ready(function() {
-      $('#records ul li .actions a[href*=edit]').each(function(i, li) {
-        $(li).attr('name', $(li).attr('tooltip'));
-      });
-    });
-  </script>
-<% end -%>
+</div>
\ No newline at end of file
diff --git a/bin/rails b/bin/rails
index 0bf61b1..cd03e38 100755
--- a/bin/rails
+++ b/bin/rails
@@ -1,5 +1,11 @@
 #!/usr/bin/env ruby
-# This command will automatically be run when you run "rails" with Rails 3 gems installed from the root of your application.
+# This command will automatically be run when you run "rails" with Rails gems
+# installed from the root of your application.
 
-ENGINE_PATH = File.expand_path('../..',  __FILE__)
-load File.expand_path('../../spec/dummy/bin/rails',  __FILE__)
+begin
+  load File.join(File.expand_path('../../',  __FILE__), 'spec/dummy/bin/rails')
+rescue LoadError => load_error
+  warn "No dummy Rails application found! \n" \
+       "To create one in spec/dummy, please run: \n\n" \
+       "    rake refinery:testing:dummy_app"
+end
\ No newline at end of file
diff --git a/config/locales/en.yml b/config/locales/en.yml
index b102ee2..6ab2864 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -8,6 +8,7 @@ en:
       settings:
         delete: Remove this setting forever
         edit: Edit this setting
+        restricted: This setting is only visible and editable by users who are superusers (like you).
         actions:
           new: Add new setting
         records:
diff --git a/db/migrate/20100913234710_create_refinerycms_settings_schema.rb b/db/migrate/20100913234710_create_refinerycms_settings_schema.rb
index 65e89d8..c22ca8f 100644
--- a/db/migrate/20100913234710_create_refinerycms_settings_schema.rb
+++ b/db/migrate/20100913234710_create_refinerycms_settings_schema.rb
@@ -1,4 +1,4 @@
-class CreateRefinerycmsSettingsSchema < ActiveRecord::Migration
+class CreateRefinerycmsSettingsSchema < ActiveRecord::Migration[4.2]
   def change
     create_table :refinery_settings do |t|
       t.string    :name
diff --git a/db/migrate/20130414130143_add_slug_to_refinery_settings.rb b/db/migrate/20130414130143_add_slug_to_refinery_settings.rb
index 3688a97..f929f00 100644
--- a/db/migrate/20130414130143_add_slug_to_refinery_settings.rb
+++ b/db/migrate/20130414130143_add_slug_to_refinery_settings.rb
@@ -1,4 +1,4 @@
-class AddSlugToRefinerySettings < ActiveRecord::Migration
+class AddSlugToRefinerySettings < ActiveRecord::Migration[4.2]
   def change
     add_column :refinery_settings, :slug, :string, :unique => true
   end
diff --git a/db/migrate/20130422105953_add_title_to_refinery_settings.rb b/db/migrate/20130422105953_add_title_to_refinery_settings.rb
index 8afbb92..4a7b1ad 100644
--- a/db/migrate/20130422105953_add_title_to_refinery_settings.rb
+++ b/db/migrate/20130422105953_add_title_to_refinery_settings.rb
@@ -1,4 +1,4 @@
-class AddTitleToRefinerySettings < ActiveRecord::Migration
+class AddTitleToRefinerySettings < ActiveRecord::Migration[4.2]
   def change
     add_column :refinery_settings, :title, :string
   end
diff --git a/refinerycms-settings.gemspec b/refinerycms-settings.gemspec
index e628288..d8bae8e 100644
--- a/refinerycms-settings.gemspec
+++ b/refinerycms-settings.gemspec
@@ -3,7 +3,7 @@
 Gem::Specification.new do |s|
   s.platform          = Gem::Platform::RUBY
   s.name              = %q{refinerycms-settings}
-  s.version           = %q{3.0.1}
+  s.version           = %q{4.0.0}
   s.summary           = %q{Settings engine for Refinery CMS}
   s.description       = %q{Adds programmer creatable, user editable settings.}
   s.email             = %q{info@refinerycms.com}
@@ -15,6 +15,6 @@ Gem::Specification.new do |s|
   s.files             = `git ls-files`.split("\n")
   s.test_files        = `git ls-files -- spec/*`.split("\n")
 
-  s.add_dependency    'refinerycms-core',     ['~> 3.0', '>= 3.0.0']
-  s.add_dependency    'friendly_id',          ['~> 5.0', '>= 5.0.1']
+  s.add_dependency    'refinerycms-core',     ['~> 4.0', '>= 4.0.0']
+  s.add_dependency    'friendly_id',          ['>= 5.1.0', '< 5.3']
 end
diff --git a/spec/features/refinery/admin/settings_spec.rb b/spec/features/refinery/admin/settings_spec.rb
index b07a4e5..b75f93a 100644
--- a/spec/features/refinery/admin/settings_spec.rb
+++ b/spec/features/refinery/admin/settings_spec.rb
@@ -47,7 +47,6 @@ module Admin
               click_button "submit_button"
             end
             expect(page).not_to have_css("#dialog_iframe")
-            expect(page).to have_content("'Test Setting' was successfully added.")
             expect(page).to have_content("Test Setting - true")
           end
 
@@ -64,7 +63,6 @@ module Admin
               click_button "submit_button"
             end
 
-            expect(page).to have_content("'Test/Setting' was successfully added.")
             expect(page).to have_content("Test/Setting - true")
 
             visit refinery.edit_admin_setting_path(Refinery::Setting.last)
@@ -90,7 +88,6 @@ module Admin
               click_button "Save"
             end
 
-            expect(page).to have_content("'Edit and Update Title' was successfully updated.")
             expect(page).to have_content("Edit and Update Title - 2")
           end
         end