Gemfile in treezor_client-1.1.0 vs Gemfile in treezor_client-1.2.0

@@ -1,11 +1,7 @@
 source 'https://rubygems.org'
 
 gemspec
 
 group :development, :test do
-  gem 'rake', '>= 12.0.0'
+  gem 'rake', '~> 12.0.0'
 end
-
-group :doc do
-  gem 'yard'
-end
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