diff --git a/Gemfile b/Gemfile
index 1fab60854..ed859dad0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,7 @@ source ENV['GEM_SOURCE'] || "https://rubygems.org"
 group :development, :test, :system_tests do
   gem 'puppet-openstack_spec_helper',
       :git     => 'https://git.openstack.org/openstack/puppet-openstack_spec_helper',
+      :branch  => 'stable/newton',
       :require => false
 end