image_optim.gemspec in image_optim-0.27.1 vs image_optim.gemspec in image_optim-0.28.0

@@ -1,10 +1,10 @@
 # encoding: UTF-8
 
 Gem::Specification.new do |s|
   s.name        = 'image_optim'
-  s.version     = '0.27.1'
+  s.version     = '0.28.0'
   s.summary     = %q{Command line tool and ruby interface to optimize (lossless compress, optionally lossy) jpeg, png, gif and svg images using external utilities (advpng, gifsicle, jhead, jpeg-recompress, jpegoptim, jpegrescan, jpegtran, optipng, pngcrush, pngout, pngquant, svgo)}
   s.homepage    = "https://github.com/toy/#{s.name}"
   s.authors     = ['Ivan Kuchin']
   s.license     = 'MIT'
 
@@ -31,9 +31,9 @@
   s.add_dependency 'progress', '~> 3.0', '>= 3.0.1'
   s.add_dependency 'in_threads', '~> 1.3'
 
   s.add_development_dependency 'image_optim_pack', '~> 0.2', '>= 0.2.2'
   s.add_development_dependency 'rspec', '~> 3.0'
-  if RUBY_VERSION >= '2.2' && !Gem.win_platform? && !defined?(JRUBY_VERSION)
-    s.add_development_dependency 'rubocop', '~> 0.59', '!= 0.78.0'
+  if RUBY_VERSION >= '2.4' && !Gem.win_platform? && !defined?(JRUBY_VERSION)
+    s.add_development_dependency 'rubocop', '~> 1.0'
   end
 end