self_data.gemspec in self_data-1.2.0 vs self_data.gemspec in self_data-1.2.1

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-lib = File.expand_path("../lib", __FILE__)
+lib = File.expand_path("lib", __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "self_data/version"
 
 files_regexp = %r{^(test|spec|features)/}
 
@@ -10,21 +10,23 @@
   spec.name          = "self_data"
   spec.version       = SelfData::VERSION
   spec.authors       = ["Umbrellio"]
   spec.email         = ["[e-mail]"]
 
-  spec.summary       = ""
+  spec.summary       = "It's like DATA but better"
   spec.description   = "It's like DATA but better"
   spec.homepage      = "https://github.com/umbrellio/self_data"
   spec.license       = "MIT"
 
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(files_regexp) }
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler"
+  spec.add_development_dependency "coveralls"
   spec.add_development_dependency "pry"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec"
   spec.add_development_dependency "rubocop-config-umbrellio"
+  spec.add_development_dependency "simplecov"
 end