spnet.gemspec in spnet-0.1.0 vs spnet.gemspec in spnet-0.1.1

@@ -17,10 +17,10 @@
   gem.files         = `git ls-files`.split($/)
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ['lib']
 
-  gem.add_dependency 'hashmake'
+  gem.add_dependency 'hashmake', '~> 0.1.1'
 
   gem.add_development_dependency 'bundler', '~> 1.0'
   gem.add_development_dependency 'rake', '~> 0.8'
   gem.add_development_dependency 'rspec', '~> 2.4'
   gem.add_development_dependency 'yard', '~> 0.8'