Gemfile in zip_tricks-4.2.0 vs Gemfile in zip_tricks-4.2.1

@@ -1,8 +1,8 @@
 source "http://rubygems.org"
 
 group :development do
-  gem 'rubyzip', '~> 1.1', '>= 1.1.7'
+  gem 'rubyzip', '~> 1.1'
   gem 'terminal-table'
   gem 'range_utils'
   gem 'rack', '~> 1.6' # For Jeweler
   gem 'rake', '~> 10.4'
   gem "rspec", "~> 3.2.0", '< 3.3'