paperclip-deflater.gemspec in paperclip-deflater-0.1.4 vs paperclip-deflater.gemspec in paperclip-deflater-0.1.5

@@ -8,18 +8,20 @@
   gem.email       = ["[e-mail]"]
   gem.homepage    = "https://github.com/dtaniwaki/paperclip-deflater"
   gem.summary     = "Deflate Processor for Paperclip"
   gem.description = "Deflate Processor for Paperclip"
   gem.license     = "MIT"
-  gem.required_ruby_version = '~> 2.1'
 
   gem.files       = `git ls-files`.split("\n")
   gem.test_files  = `git ls-files -- {test,spec,features}/*`.split("\n")
   gem.executables = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
-  gem.require_paths = ['lib']
+  gem.require_paths = ["lib"]
 
-  gem.add_dependency "paperclip", ">= 3.4"
+  gem.required_ruby_version = [">= 2.1", "< 2.5"]
 
-  gem.add_development_dependency "rake"
-  gem.add_development_dependency "rspec", ">= 3.0"
-  gem.add_development_dependency "coveralls"
+  gem.add_runtime_dependency "paperclip", ">= 3.4", "< 6.0"
+
+  gem.add_development_dependency "rake", ">= 10.0", "< 13"
+  gem.add_development_dependency "rspec", ">= 3.0", "< 4"
+  gem.add_development_dependency "simplecov", "~> 0.12"
+  gem.add_development_dependency "coveralls", "~> 0.8"
 end