diff --git a/.travis.yml b/.travis.yml
index 018517562e..250646658c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,8 +9,6 @@ rvm:
 
 matrix:
   include:
-    - rvm: 2.2.5
-      env: "RAILS_VERSION=4.0.13"
     - rvm: 2.2.5
       env: "RAILS_VERSION=4.1.13"
     - rvm: 2.1.5
diff --git a/Gemfile b/Gemfile
index bb0a5ba742..f53720bcfc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,10 +13,10 @@ group :test do
 end
 
 # BEGIN ENGINE_CART BLOCK
-# engine_cart: 0.8.0
-# engine_cart stanza: 0.8.0
+# engine_cart: 0.10.0
+# engine_cart stanza: 0.10.0
 # the below comes from engine_cart, a gem used to test this Rails engine gem in the context of a Rails app.
-file = File.expand_path("Gemfile", ENV['ENGINE_CART_DESTINATION'] || ENV['RAILS_ROOT'] || File.expand_path(".internal_test_app", File.dirname(__FILE__)))
+file = File.expand_path('Gemfile', ENV['ENGINE_CART_DESTINATION'] || ENV['RAILS_ROOT'] || File.expand_path('.internal_test_app', File.dirname(__FILE__)))
 if File.exist?(file)
   begin
     eval_gemfile file
@@ -27,14 +27,22 @@ if File.exist?(file)
 else
   Bundler.ui.warn "[EngineCart] Unable to find test application dependencies in #{file}, using placeholder dependencies"
 
-  gem 'rails', ENV['RAILS_VERSION'] if ENV['RAILS_VERSION']
+  if ENV['RAILS_VERSION']
+    if ENV['RAILS_VERSION'] == 'edge'
+      gem 'rails', github: 'rails/rails'
+      ENV['ENGINE_CART_RAILS_OPTIONS'] = '--edge --skip-turbolinks'
+    else
+      gem 'rails', ENV['RAILS_VERSION']
+    end
+  end
 
-  if ENV['RAILS_VERSION'].nil? || ENV['RAILS_VERSION'] =~ /^4.2/
-    gem 'responders', "~> 2.0"
-    gem 'sass-rails', ">= 5.0"
-  else
-    gem 'bootstrap-sass', '< 3.3.5' # 3.3.5 requires sass 3.3, incompatible with sass-rails 4.x
-    gem 'sass-rails', "< 5.0"
+  case ENV['RAILS_VERSION']
+  when /^4.2/
+    gem 'responders', '~> 2.0'
+    gem 'sass-rails', '>= 5.0'
+    gem 'coffee-rails', '~> 4.1.0'
+  when /^4.[01]/
+    gem 'sass-rails', '< 5.0'
   end
 end
 # END ENGINE_CART BLOCK
diff --git a/app/assets/javascripts/blacklight/core.js b/app/assets/javascripts/blacklight/core.js
index b7dd9b957b..166237b3ed 100644
--- a/app/assets/javascripts/blacklight/core.js
+++ b/app/assets/javascripts/blacklight/core.js
@@ -13,7 +13,7 @@ Blacklight = function() {
 
     listeners: function () {
       var listeners = [];
-      if (Turbolinks && Turbolinks.supported) {
+      if (typeof Turbolinks !== 'undefined' && Turbolinks.supported) {
         // Turbolinks 5
         if (Turbolinks.BrowserAdapter) {
           listeners.push('turbolinks:load');
diff --git a/blacklight.gemspec b/blacklight.gemspec
index 2b28be2374..34c0c46146 100644
--- a/blacklight.gemspec
+++ b/blacklight.gemspec
@@ -31,6 +31,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rspec-collection_matchers", ">= 1.0"
   s.add_development_dependency "capybara"
   s.add_development_dependency "poltergeist"
-  s.add_development_dependency 'engine_cart', '~> 0.8.0'
+  s.add_development_dependency 'engine_cart', '~> 1.0'
   s.add_development_dependency "equivalent-xml"
 end