payjp.gemspec in payjp-0.0.14 vs payjp.gemspec in payjp-0.0.16

@@ -14,11 +14,11 @@
 
   s.add_dependency('rest-client', '~> 2.0')
 
   s.add_development_dependency('mocha', '~> 1.2.1')
   s.add_development_dependency('activesupport', ['< 5.0', '~> 4.2.7'])
-  s.add_development_dependency('test-unit', '~> 3.2.2')
-  s.add_development_dependency('rake', '~> 11.3.0')
+  s.add_development_dependency('test-unit', '~> 3.6.2')
+  s.add_development_dependency('rake', '>= 11.3.0')
   s.add_development_dependency('bundler', '>= 1.7.6')
 
   s.files = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- test/*`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map { |f| File.basename(f) }