diff --git a/gems.gemspec b/gems.gemspec
index 8ca6c47..deb6798 100644
--- a/gems.gemspec
+++ b/gems.gemspec
@@ -2,12 +2,12 @@
 require File.expand_path('../lib/gems/version', __FILE__)
 
 Gem::Specification.new do |gem|
-  gem.add_development_dependency 'rake', '~> 0.9'
-  gem.add_development_dependency 'rdiscount', '~> 1.6'
-  gem.add_development_dependency 'rspec', '~> 2.6'
-  gem.add_development_dependency 'simplecov', '~> 0.4'
-  gem.add_development_dependency 'webmock', '~> 1.7'
-  gem.add_development_dependency 'yard', '~> 0.7'
+  gem.add_development_dependency 'maruku'
+  gem.add_development_dependency 'rake'
+  gem.add_development_dependency 'rspec'
+  gem.add_development_dependency 'simplecov'
+  gem.add_development_dependency 'webmock'
+  gem.add_development_dependency 'yard'
   gem.authors     = ["Erik Michaels-Ober"]
   gem.description = %q{Ruby wrapper for the RubyGems.org API}
   gem.email       = ['sferik@gmail.com']