Gemfile in instana-1.210.1 vs Gemfile in instana-1.211.0

@@ -9,16 +9,11 @@
 gem 'webmock'
 gem 'puma'
 
 gem 'rubocop', '~> 1.9'
 
-# Rack v2 dropped support for Ruby 2.2 and higher.
-if RUBY_VERSION < '2.2'
-  gem 'rack', '<3.0.0', '~> 1.6'
-else
-  gem 'rack', '<3.0.0'
-  # gem 'rackup'
-end
+gem 'rack'
+gem 'rackup'
 gem 'rack-test'
 
 gem 'simplecov', '~> 0.21.2'
 
 # instana.gemspec