Rakefile in devise-two-factor-6.0.0 vs Rakefile in devise-two-factor-6.1.0

@@ -9,9 +9,11 @@
   $stderr.puts "Run `bundle install` to install missing gems"
   exit e.status_code
 end
 require 'rake'
 
+require 'bundler/gem_tasks'
+
 require 'rspec/core'
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec) do |spec|
   spec.pattern = FileList['spec/**/*_spec.rb']
 end