diff --git a/.gemfile b/.gemfile
index 9aad840c0..b0de2a31d 100644
--- a/.gemfile
+++ b/.gemfile
@@ -1,4 +1,4 @@
-source :rubygems
+source 'https://rubygems.org'
 
 puppetversion = ENV.key?('PUPPET_VERSION') ? "= #{ENV['PUPPET_VERSION']}" : ['>= 2.7']
 gem 'puppet', puppetversion
diff --git a/.travis.yml b/.travis.yml
index eff93f50d..9ff38fac6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,7 @@ env:
   - PUPPET_VERSION=3.0.0
   - PUPPET_VERSION=3.1.0
   - PUPPET_VERSION=3.2.0
+  - PUPPET_VERSION=3.3.0
 notifications:
   email: false
 gemfile: .gemfile