mutant.gemspec in mutant-0.7.9 vs mutant.gemspec in mutant-0.8.0

@@ -19,19 +19,19 @@
   gem.files            = `git ls-files`.split("\n") - mutant_integration_files
   gem.test_files       = `git ls-files -- spec/{unit,integration}`.split("\n")
   gem.extra_rdoc_files = %w[TODO LICENSE]
   gem.executables      = %w[mutant]
 
-  gem.required_ruby_version = '>= 1.9.3'
+  gem.required_ruby_version = '>= 2.1'
 
-  gem.add_runtime_dependency('parser',        '~> 2.2', '>= 2.2.0.2')
+  gem.add_runtime_dependency('parser',        '~> 2.2.2')
   gem.add_runtime_dependency('ast',           '~> 2.0')
   gem.add_runtime_dependency('diff-lcs',      '~> 1.2')
   gem.add_runtime_dependency('parallel',      '~> 1.3')
   gem.add_runtime_dependency('morpher',       '~> 0.2.3')
   gem.add_runtime_dependency('procto',        '~> 0.0.2')
   gem.add_runtime_dependency('abstract_type', '~> 0.0.7')
-  gem.add_runtime_dependency('unparser',      '~> 0.2.2')
+  gem.add_runtime_dependency('unparser',      '~> 0.2.4')
   gem.add_runtime_dependency('ice_nine',      '~> 0.11.1')
   gem.add_runtime_dependency('adamantium',    '~> 0.2.0')
   gem.add_runtime_dependency('memoizable',    '~> 0.4.2')
   gem.add_runtime_dependency('equalizer',     '~> 0.0.9')
   gem.add_runtime_dependency('anima',         '~> 0.2.0')