1 files changed, 4 insertions, 0 deletions
diff --git a/Gemfile b/Gemfile
index aa959b0..9b835b9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,3 +43,7 @@ group :test do
   gem "coveralls", require: false
   gem "simplecov", require: false
 end
+
+group :doc do
+  gem "yard"
+end