diff --git a/.travis.yml b/.travis.yml
index 0828e27..5fdbd8b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,4 +7,4 @@ rvm:
   - 1.8.7
   - 1.9.2
   - 1.9.3
-  - ruby-head
+  - 2.0.0
diff --git a/Gemfile b/Gemfile
index f50abda..eb71681 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,14 @@
-source 'https://rubygems.org'
+source :rubygems
+
+gem 'rake'
 
 platforms :jruby do
   gem 'jruby-openssl', '~> 0.7'
 end
 
+group :test do
+  gem 'rspec', '>= 2.11'
+  gem 'simplecov'
+end
+
 gemspec
diff --git a/simple_oauth.gemspec b/simple_oauth.gemspec
index d99d926..340f63a 100644
--- a/simple_oauth.gemspec
+++ b/simple_oauth.gemspec
@@ -11,10 +11,6 @@ Gem::Specification.new do |spec|
   spec.homepage    = 'https://github.com/laserlemon/simple_oauth'
   spec.licenses    = ['MIT']
 
-  spec.add_development_dependency 'rake'
-  spec.add_development_dependency 'rspec', '>= 2'
-  spec.add_development_dependency 'simplecov'
-
   spec.files         = `git ls-files`.split($\)
   spec.test_files    = spec.files.grep(/^test\//)
   spec.require_paths = ["lib"]