Puppet 4 is gone

Author: yakatz

.ruby-version

@@ -1 +1 @@
-2.5.0
+2.5.7

.travis.yml

@@ -4,12 +4,8 @@ language: ruby
 bundler_args: --without development system_tests
 before_install: rm Gemfile.lock || true
 rvm:
-  - 2.3.4
+  - 2.5.7
 script: bundle exec rake test
 env:
-  - PUPPET_VERSION="~> 4.5.0"
-  - PUPPET_VERSION="~> 4.6.0"
-  - PUPPET_VERSION="~> 4.7.0"
-  - PUPPET_VERSION="~> 4.8.0"
-  - PUPPET_VERSION="~> 4.9.0"
-  - PUPPET_VERSION="~> 5.0.0"
+  - PUPPET_VERSION="~> 5.5"
+  - PUPPET_VERSION="~> 6.16"