diff --git a/redistat.gemspec b/redistat.gemspec
index baafaae..8f2b703 100644
--- a/redistat.gemspec
+++ b/redistat.gemspec
@@ -24,6 +24,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'redis', '>= 2.1.0'
   s.add_runtime_dependency 'time_ext', '>= 0.2.9'
   
+  s.add_development_dependency 'rake', '>= 0.8.7'
   s.add_development_dependency 'rspec', '>= 2.1.0'
   s.add_development_dependency 'rcov', '>= 0.9.9'
   s.add_development_dependency 'yard', '>= 0.6.3'