Gemfile in itamae-1.9.0 vs Gemfile in itamae-1.9.1

@@ -1,10 +1,10 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in itamae.gemspec
 gemspec
 
-gem 'vagrant', github: 'mitchellh/vagrant'
+gem 'vagrant', github: 'ryotarai/vagrant', branch: 'latest-bundler'
 gem 'vagrant-digitalocean'
 
 path = Pathname.new("Gemfile.local")
 eval(path.read) if path.exist?