diff --git a/Gemfile b/Gemfile
old mode 100755
new mode 100644
index cad6326..04b6aef
--- a/Gemfile
+++ b/Gemfile
@@ -3,11 +3,11 @@ source 'https://rubygems.org'
 # Versions can be overridden with environment variables for matrix testing.
 # Travis will remove Gemfile.lock before installing deps.
 
-gem 'puppet', ENV['PUPPET_VERSION'] || '~> 3.2.0'
+gem 'puppet', '>= 6.13.0', ENV['PUPPET_VERSION'] || '~> 3.2.0'
 
 gem 'rake'
 gem 'puppet-lint'
 gem 'rspec-puppet'
 gem 'rspec-system-puppet'
 gem 'puppetlabs_spec_helper'
-gem 'puppet-syntax'
+gem 'puppet-syntax', '>= 1.1.0'