Gemfile in soulless-0.6.0 vs Gemfile in soulless-1.0.0

@@ -1,27 +1,31 @@
 source 'https://rubygems.org'
 
-# Specify your gem's dependencies in ar_book_finder.gemspec
+# Specify your gem's dependencies in soulless.gemspec
 gemspec
 
-rails_version = case ENV['RAILS_VERSION'] || 'default'
+active_record_version = case ENV['ACTIVE_RECORD_VERSION'] || 'default'
+
 when 'master'
   { git: 'https://github.com/rails/rails.git' }
 when 'default'
-  '~> 4.0'
+  '~> 4.2'
 else
-  "~> #{ENV['RAILS_VERSION']}"
+  "~> #{ENV['ACTIVE_RECORD_VERSION']}"
 end
 
-gem 'rails', rails_version
-
-platforms :ruby do
-  gem 'sqlite3'
+group :test do
+  gem 'coveralls', require: false
+  gem 'simplecov', require: false
 end
 
-platforms :jruby do
-  gem "activerecord-jdbcsqlite3-adapter"
-end
-
 group :development do
-  gem 'coveralls', require: false
+  gem 'activerecord', '>= 4.2.0', '< 5.1'
+
+  platforms :ruby do
+    gem 'sqlite3'
+  end
+
+  platforms :jruby do
+    gem "activerecord-jdbcsqlite3-adapter"
+  end
 end