diff --git a/Appraisals b/Appraisals
index a6bd7aed5..16c9c2a61 100644
--- a/Appraisals
+++ b/Appraisals
@@ -7,5 +7,5 @@ appraise 'rails-4.1' do
 end
 
 appraise 'rails-4.2' do
-  gem 'rails', '~> 4.2.0.rc3'
+  gem 'rails', '~> 4.2.0'
 end
diff --git a/client_side_validations.gemspec b/client_side_validations.gemspec
index e84cdc274..f594bb114 100644
--- a/client_side_validations.gemspec
+++ b/client_side_validations.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.files         = `git ls-files -- {lib/*,vendor/*,*.gemspec}`.split("\n")
   s.require_paths = ["lib"]
 
-  s.add_development_dependency 'rails', '>= 4.0.0', '<= 4.2.0.rc3'
+  s.add_development_dependency 'rails', '>= 4.0.0', '< 4.3.0'
   s.add_development_dependency 'sqlite3', '~> 1.3'
   s.add_development_dependency 'mocha', '~> 1.1'
   s.add_development_dependency 'm', '~> 1.3'
diff --git a/gemfiles/rails_4.2.gemfile b/gemfiles/rails_4.2.gemfile
index 19dca3864..9ec023496 100644
--- a/gemfiles/rails_4.2.gemfile
+++ b/gemfiles/rails_4.2.gemfile
@@ -3,6 +3,6 @@
 source "http://rubygems.org"
 
 gem "byebug"
-gem "rails", "~> 4.2.0.rc3"
+gem "rails", "~> 4.2.0"
 
 gemspec :path => "../"