install.rb in beaker-puppet-1.19.0

- old
+ new

@@ -2,11 +2,11 @@
 
 # the version is required on windows
 # all versions are required for osx
 hosts.each do |host|
   install_puppet_on(host, {
-    :version        => ENV['BEAKER_PUPPET_VERSION'] || '5.5.13',
-    :puppet_agent_version => ENV['BEAKER_PUPPET_AGENT_VERSION'] || '5.5.13'
+    :version        => ENV['BEAKER_PUPPET_VERSION'] || '5.5.20',
+    :puppet_agent_version => ENV['BEAKER_PUPPET_AGENT_VERSION'] || '5.5.20'
   })
 
   on(host, puppet('resource user puppet ensure=present'))
   on(host, puppet('resource group puppet ensure=present'))
 end