is_master.gemspec in is_master-1.1.0 vs is_master.gemspec in is_master-1.2.0

@@ -9,10 +9,10 @@
   spec.summary       = 'is_master execute a command when it determine that server is master'
   spec.homepage      = 'https://github.com/nishiki/is_master'
   spec.license       = 'Apache-2.0'
 
   spec.files         = %x(git ls-files -z).split("\x0")
-  spec.executables   = ['is_master']
+  spec.executables   = %w[is_master is_slave]
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
 
   spec.required_ruby_version = '>= 2.1'
 end