diff --git a/.travis.yml b/.travis.yml
index 1fd481b..d728226 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ rvm:
 env:
   - PUPPET_VERSION=3.3.0
   - PUPPET_VERSION=3.4.0
+  - PUPPET_VERSION=3.5.0
   - PUPPET_VERSION=3.6.0
   - PUPPET_VERSION=3.7.0
 gemfile: Gemfile.travis
diff --git a/Gemfile b/Gemfile
index 5c6543b..a30d1f9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 if ENV.include?('PUPPET_VERSION')
-  puppetversion = "=#{ENV['PUPPET_VERSION']}"
+  puppetversion = "~>#{ENV['PUPPET_VERSION']}"
 else
   puppetversion = '3.4.1'
 end