diff --git a/Gemfile b/Gemfile
index c3b3c053..c512c1b8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,7 +26,7 @@ group :development do
   gem 'rake'
   gem 'rspec-puppet', :git => 'https://github.com/rodjek/rspec-puppet.git', :ref => '544b168'
   gem 'simplecov'
-  gem 'yard'
+  gem 'yard', '>= 0.9.20'
   gem 'redcarpet', '~> 2.0'
   gem 'pry'
   gem 'beaker', :require => false, :git => 'https://github.com/puppetlabs/beaker', :ref => 'dbac20fe9'
diff --git a/Gemfile.lock b/Gemfile.lock
index 19f849c3..08511f37 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -122,7 +122,7 @@ GEM
       unf_ext
     unf_ext (0.0.6)
     vagrant-wrapper (1.2.1.1)
-    yard (0.8.7.2)
+    yard (0.9.20)
 
 PLATFORMS
   ruby
@@ -141,4 +141,7 @@ DEPENDENCIES
   ruby-augeas (~> 0.3)
   simplecov
   vagrant-wrapper
-  yard
+  yard (>= 0.9.20)
+
+BUNDLED WITH
+   1.17.3