diff --git a/hsmr.gemspec b/hsmr.gemspec
index d3d085f..a9f7b73 100644
--- a/hsmr.gemspec
+++ b/hsmr.gemspec
@@ -22,6 +22,7 @@ Gem::Specification.new do |s|
   # s.add_development_dependency "rspec"
   # s.add_runtime_dependency "rest-client"
   
+  s.add_development_dependency "rake"
   s.add_development_dependency "guard-test"
   s.add_development_dependency "factory_girl"
 end