Gemfile in sib-api-v3-sdk-8.0.0 vs Gemfile in sib-api-v3-sdk-8.1.0

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 gemspec
 
 group :development, :test do
-  gem 'rake', '>= 12.3.3'
+  gem 'rake', '~> 12.3.3'
 end