From 0e0955a6d83d35a32cbf3ddfaf6893171d1168ea Mon Sep 17 00:00:00 2001
From: Philip Hyunsu Cho <chohyu01@cs.washington.edu>
Date: Tue, 17 Sep 2019 10:40:44 -0700
Subject: [PATCH] Add link to Ruby XGBoost gem (#4856)

---
 doc/index.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/index.rst b/doc/index.rst
index b4174a72f..eadeacde2 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -25,6 +25,7 @@ Contents
   Python package <python/index>
   R package <R-package/index>
   JVM package <jvm/index>
+  Ruby package <https://github.com/ankane/xgb>
   Julia package <julia>
   CLI interface <cli>
   contrib/index