diff --git a/.travis.yml b/.travis.yml
index af05473..1f6c704 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ matrix:
   - rvm: 2.5.3
     bundler_args: --without system_tests development release
     env: PUPPET_VERSION="~> 6.0" CHECK=rubocop
-  - rvm: 2.4.4
+  - rvm: 2.5.3
     bundler_args: --without system_tests development release
     env: PUPPET_VERSION="~> 6.0" CHECK=build DEPLOY_TO_FORGE=yes
 branches:
diff --git a/Gemfile b/Gemfile
index 1f432f5..443113e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,7 +14,7 @@ group :test do
   gem 'puppetlabs_spec_helper', '>= 2.11.0',                        :require => false
   gem 'rspec-puppet-facts', '>= 1.8.0',                             :require => false
   gem 'rspec-puppet-utils',                                         :require => false
-  gem 'pdk',                                                        :require => false
+  gem 'pdk', '>= 1.10.0',                                           :require => false
   gem 'puppet-module',                                              :require => false
   gem 'puppet-lint-leading_zero-check',                             :require => false
   gem 'puppet-lint-trailing_comma-check',                           :require => false