diff --git a/Gemfile b/Gemfile
index 8f14386..319f8ca 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,8 +2,3 @@ source 'http://rubygems.org/'
 
 # Specify your gem's dependencies in redistat.gemspec
 gemspec
-
-group :development do
-  gem 'rspec', '>= 2.1.0'
-  gem 'yard', '>= 0.6.3'
-end
\ No newline at end of file
diff --git a/redistat.gemspec b/redistat.gemspec
index 972f639..2dc74c7 100644
--- a/redistat.gemspec
+++ b/redistat.gemspec
@@ -24,4 +24,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'redis', '>= 2.1.1'
   s.add_runtime_dependency 'system_timer', '>= 1.0.0'
   s.add_runtime_dependency 'time_ext', '>= 0.2.8'
+  
+  s.add_development_dependency 'rspec', '>= 2.1.0'
+  s.add_development_dependency 'yard', '>= 0.6.3'
 end