diff --git a/.travis.yml b/.travis.yml
index 223b968bb..82e21f668 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ gemfile:
   - gemfiles/rails-4.gemfile
 env:
   - DEFER_GC=false
+  - RAILS_EDGE=true
 script: "rake spec"
 matrix:
   exclude:
diff --git a/Appraisals b/Appraisals
index 641c4774b..1a17e9002 100644
--- a/Appraisals
+++ b/Appraisals
@@ -10,7 +10,9 @@ appraise 'rails-3.2' do
   gem 'rails',      '~> 3.2.0'
 end
 
-appraise 'rails-4' do
-  gem 'rails',      :git => 'git://github.com/rails/rails.git'
-  gem 'sprockets-rails', :git => 'https://github.com/rails/sprockets-rails.git'  
-end
+if ENV["RAILS_EDGE"] == "true"
+  appraise 'rails-4' do
+    gem 'rails', :git => 'git://github.com/rails/rails.git'
+    gem 'sprockets-rails', :git => 'https://github.com/rails/sprockets-rails.git'  
+  end
+end
\ No newline at end of file