add rake to gemfile

cbeer · cbeer · commit 7f24ede76d72 · 2012-08-15T21:53:49.000-07:00
diff --git a/pairtree.gemspec b/pairtree.gemspec
@@ -19,5 +19,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency "bundler"
   s.add_development_dependency "rspec", ">= 2.0"
   s.add_development_dependency "yard"
+  s.add_development_dependency "rake"
 end
 
