pngcheck.gemspec in pngcheck-0.1.0 vs pngcheck.gemspec in pngcheck-0.2.0

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 require_relative "lib/pngcheck/version"
 
-Gem::Specification.new do |spec|
+Gem::Specification.new do |spec| # rubocop:disable Metrics/BlockLength
   spec.name = "pngcheck"
   spec.version = PngCheck::VERSION
   spec.authors = ["Ribose Inc."]
   spec.email   = ["[e-mail]"]
 
@@ -21,16 +21,17 @@
     `git ls-files -z`.split("\x0").reject do |f|
       (f == __FILE__) || f.match(%r{\A(?:(?:test|spec|features)/|\.(?:git|github|travis|circleci)|appveyor)})  # rubocop:disable Layout/LineLength
     end
   end
   spec.bindir = "bin"
-  spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
+  spec.executables = spec.files.grep(%r{\Abin/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.add_runtime_dependency "ffi", "~> 1.0"
   spec.add_runtime_dependency "mini_portile2", "~> 2.7"
 
   spec.add_development_dependency "libpng-ruby", "~> 0.6"
+  spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "rubocop", "~> 1.4"
 
   spec.extensions = ["ext/extconf.rb"]
 end