Gemfile in twog-0.3.4 vs Gemfile in twog-0.3.5

@@ -1,14 +1,14 @@
 source 'http://rubygems.org'
-ruby '2.7.0'
+ruby '2.7.1'
 
 gem 'rack', '~>2.0.6'
 gem 'nokogiri', '>= 1.10.4'
 gem 'twitter_oauth', '>=0.3.3'
 gem 'bitly', '>=0.4.0'
 gem 'whenever', '>=0.4.1'
 gem 'activesupport', '>=2.3.5'
-gem 'jeweler', '>= 0.11.0'
+gem 'juwelier', '>= 2.4.9'
 
 group :development, :test do
   gem 'rake'
   gem 'rspec', '>=2.0.0.beta.22'
   gem 'simplecov'