diff --git a/Appraisals b/Appraisals
index e7f166a..61a12d6 100644
--- a/Appraisals
+++ b/Appraisals
@@ -17,7 +17,7 @@ appraise 'rails-4.1' do
 end
 
 appraise 'rails-4.2' do
-  gem 'rails', '4.2.0.beta4'
+  gem 'rails', '4.2.0.rc1'
   gem 'uglifier'
   gem 'minitest', '~> 5'
 end
diff --git a/gemfiles/rails_4.2.gemfile b/gemfiles/rails_4.2.gemfile
index 93a719a..5b563d7 100644
--- a/gemfiles/rails_4.2.gemfile
+++ b/gemfiles/rails_4.2.gemfile
@@ -2,7 +2,7 @@
 
 source "https://rubygems.org"
 
-gem "rails", "4.2.0.beta4"
+gem "rails", "4.2.0.rc1"
 gem "uglifier"
 gem "minitest", "~> 5"