Gemfile in string_tools-0.16.0 vs Gemfile in string_tools-1.0.0

@@ -2,6 +2,6 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in string_tools.gemspec
 gemspec
 
-gem 'actionpack', '~> 4.0.13', require: false
+gem 'actionpack', '~> 4.2.0', require: false