Gemfile in rack-protection-3.1.0 vs Gemfile in rack-protection-3.2.0

@@ -2,16 +2,15 @@
 
 source 'https://rubygems.org'
 # encoding: utf-8
 
 gem 'rake'
+gem 'rspec', '~> 3'
 
 rack_version = ENV['rack'].to_s
 rack_version = nil if rack_version.empty? || (rack_version == 'stable')
 rack_version = { github: 'rack/rack' } if rack_version == 'head'
 gem 'rack', rack_version
 
-gem 'sinatra', path: '..'
-
 gemspec
 
-gem 'rack-test', github: 'rack/rack-test'
+gem 'rack-test'