loggery-gem.gemspec in loggery-0.1.0 vs loggery-gem.gemspec in loggery-0.2.0

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-lib = File.expand_path("../lib", __FILE__)
+lib = File.expand_path("lib", __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "loggery/gem/version"
 
 Gem::Specification.new do |spec|
   spec.name          = "loggery"
@@ -19,16 +19,20 @@
   end
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  spec.add_runtime_dependency "actionpack", ">= 4.2.0"
+  spec.add_runtime_dependency "activesupport", ">= 4.2.0"
   spec.add_runtime_dependency "lograge", "~> 0.6"
   spec.add_runtime_dependency "logstash-event", "~> 1.2"
   spec.add_runtime_dependency "logstash-logger", "~> 0.25"
-  spec.add_runtime_dependency "rails", ">= 4.0"
+  spec.add_runtime_dependency "railties", ">= 4.2.0"
 
+  spec.add_development_dependency "appraisal"
   spec.add_development_dependency "bundler", "~> 1.14"
   spec.add_development_dependency "pry-byebug"
+  spec.add_development_dependency "rails", ">= 4.2.0"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec"
   spec.add_development_dependency "rubocop"
   spec.add_development_dependency "sidekiq"
   spec.add_development_dependency "sqlite3"