diff --git a/Gemfile b/Gemfile
index 15e0b38f..d65e2a66 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,9 +1,3 @@
 source 'http://rubygems.org'
 
-gem 'rails', '3.0.3'
-gem 'sqlite3-ruby', :require => 'sqlite3'
-gem 'rspec-rails', "~> 2.3.1"
-gem 'ruby-debug'
-gem 'cucumber'
-gem "aruba"
-
+gemspec
diff --git a/shoulda.gemspec b/shoulda.gemspec
index 0ded3db4..8e19d00a 100644
--- a/shoulda.gemspec
+++ b/shoulda.gemspec
@@ -20,8 +20,15 @@ Gem::Specification.new do |s|
   s.summary = %q{Making tests easy on the fingers and eyes}
   s.description = %q{Making tests easy on the fingers and eyes}
 
-  s.add_runtime_dependency(%q<shoulda-context>, "~> 1.0.0.beta1")
-  s.add_runtime_dependency(%q<shoulda-matchers>, "~> 1.0.0.beta1")
+  s.add_development_dependency("rails", "3.0.3")
+  s.add_development_dependency("sqlite3-ruby", "~> 1.3.2")
+  s.add_development_dependency("rspec-rails", "~> 2.3.1")
+  s.add_development_dependency("ruby-debug", "~> 0.10.4")
+  s.add_development_dependency("cucumber", "~> 0.10.0")
+  s.add_development_dependency("aruba", "~> 0.2.7")
+
+  s.add_runtime_dependency("shoulda-context", "~> 1.0.0.beta1")
+  s.add_runtime_dependency("shoulda-matchers", "~> 1.0.0.beta1")
 
   if s.respond_to? :specification_version then
     s.specification_version = 3