Merge b8291ec into 046a917

.travis.yml

@@ -1,8 +1,5 @@
 language: ruby
 rvm:
-  - 2.0
-  - 2.1
-  - 2.2
   - 2.3
   - 2.4
   - 2.5

Gemfile

@@ -9,8 +9,6 @@ else
   gem 'roo', '>= 2.0.0beta1', path: ::File.expand_path('../../roo', __FILE__)
 end
 
-gem 'activesupport', '~> 4.2.0' if RUBY_VERSION < '2.2'
-
 group :test do
   # additional testing libs
   gem 'webmock'
@@ -28,5 +26,4 @@ group :local_development do
   gem 'guard-rubocop', require: false
   gem 'guard-reek', git: 'https://github.com/pericles/guard-reek', require: false
   gem 'pry'
-  gem 'transpec'
 end

roo-xls.gemspec

@@ -18,14 +18,12 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
+  spec.required_ruby_version  = ">= 2.3.0"
+
   spec.add_dependency "roo", ">= 2.0.0", "< 3"
   spec.add_dependency "spreadsheet", "> 0.9.0"
 
-  if RUBY_VERSION >= '2.1'
-    spec.add_dependency "nokogiri"
-  else
-    spec.add_dependency "nokogiri", "~> 1.6.0"
-  end
+  spec.add_dependency "nokogiri"
 
   spec.add_development_dependency "bundler", ">= 1.7"
   spec.add_development_dependency "rake", ">= 10.0"