shadowsocks.gemspec in shadowsocks-0.11 vs shadowsocks.gemspec in shadowsocks-0.12

@@ -13,13 +13,13 @@
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.homepage      = 'http://rubygems.org/gems/shadowsocks'
   s.license       = 'MIT'
   s.extensions    = %w[ext/encrypt/extconf.rb]
 
-  s.add_dependency "eventmachine", "~> 1.0.3"
-  s.add_dependency "json", "~> 1.8.0"
-  s.add_dependency "ffi", "~> 1.9.0"
+  s.add_dependency "eventmachine", '~> 1.0', '>= 1.0.3'
+  s.add_dependency "json", '~> 1.8', '>= 1.8.0'
+  s.add_dependency "ffi", '~> 1.9', '>= 1.9.0'
 
-  s.add_development_dependency "rake-compiler", "~> 0.9.2"
-  s.add_development_dependency "mocha", "~> 1.0.0"
-  s.add_development_dependency "rake"
+  s.add_development_dependency "rake-compiler", '~> 0.9', '>= 0.9.2'
+  s.add_development_dependency "mocha", '~> 1.0', '>= 1.0.0'
+  s.add_development_dependency "rake", '~> 0'
 end