depend on yawpa

svi.gemspec

@@ -28,6 +28,7 @@ Gem::Specification.new do |spec|
   spec.extensions    = %w[ext/svi/extconf.rb]
   spec.require_paths = ["lib"]
 
+  spec.add_dependency "yawpa", "~> 1.0"
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rake", "~> 10.0"
 end