diff --git a/Gemfile.devtools b/Gemfile.devtools
index 1de0c656..e668db41 100644
--- a/Gemfile.devtools
+++ b/Gemfile.devtools
@@ -1,5 +1,5 @@
 group :development do
-  gem 'rake',    '~> 0.9.2'
+  gem 'rake',    '~> 10.0'
   gem 'rspec',   '~> 2.12.0'
   gem 'yard',    '~> 0.8.3'
 end
diff --git a/virtus.gemspec b/virtus.gemspec
index a3326941..3ad16646 100644
--- a/virtus.gemspec
+++ b/virtus.gemspec
@@ -18,7 +18,4 @@ Gem::Specification.new do |gem|
 
   gem.add_dependency('backports',           '~> 2.6.1')
   gem.add_dependency('descendants_tracker', '~> 0.0.1')
-
-  gem.add_development_dependency('rake',  '~> 0.9.2')
-  gem.add_development_dependency('rspec', '~> 2.12')
 end