appium_lib.gemspec in appium_lib-8.2.1 vs appium_lib.gemspec in appium_lib-9.0.0

@@ -16,14 +16,14 @@
 
   s.add_runtime_dependency 'selenium-webdriver', '~> 2.50'
   s.add_runtime_dependency 'awesome_print', '~> 1.6'
   s.add_runtime_dependency 'json', '~> 1.8'
   s.add_runtime_dependency 'tomlrb', '~> 1.1'
-  s.add_runtime_dependency 'nokogiri', '~> 1.6.6'
+  s.add_runtime_dependency 'nokogiri', '~> 1.6', '>= 1.6.6'
 
   s.add_development_dependency 'posix-spawn', '~> 0.3'
   s.add_development_dependency 'hashdiff', '~> 0.2.2'
-  s.add_development_dependency 'spec', '~> 5.3.4'
+  s.add_development_dependency 'spec', '~> 5.3', '>= 5.3.4'
   s.add_development_dependency 'fakefs', '~> 0.6.7'
 
   s.add_development_dependency 'rake', '~> 10.4'
   s.add_development_dependency 'yard', '~> 0.8'