Gemfile in zold-ruby-sdk-0.2.3 vs Gemfile in zold-ruby-sdk-0.3.0

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-# Copyright (c) 2018-2020 Yegor Bugayenko
+# Copyright (c) 2018-2023 Yegor Bugayenko
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the 'Software'), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
@@ -19,7 +19,16 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
 source 'https://rubygems.org'
-ruby '2.6.0'
 gemspec
+
+gem 'minitest', '5.18.1', require: false
+gem 'minitest-hooks', '1.5.0', require: false
+gem 'rake-compiler', '1.2.3', require: false
+gem 'rdoc', '6.5.0', require: false
+gem 'rspec-rails', '6.0.3', require: false
+gem 'rubocop', '1.53.1', require: false
+gem 'rubocop-rspec', '2.22.0', require: false
+gem 'simplecov', '0.22.0', require: false
+gem 'webmock', '3.18.1', require: false