diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..ff3e997
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,11 @@
+source 'https://rubygems.org'
+
+gem 'yard'
+gem 'rgen'
+
+group :test do
+  gem 'rspec'
+  gem 'mocha'
+  gem 'puppet'
+  gem 'puppetlabs_spec_helper'
+end