From dd01f7c4f5c4043cb52cf1e76b2c0593d5dea5c3 Mon Sep 17 00:00:00 2001
From: Philip Hyunsu Cho <chohyu01@cs.washington.edu>
Date: Wed, 26 Jun 2019 16:26:22 -0700
Subject: [PATCH] Use Sphinx 2.1+ to compile documentation [skip ci] (#4609)

---
 doc/requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/requirements.txt b/doc/requirements.txt
index 4bb33443a..7fb703869 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,4 +1,4 @@
-sphinx
+sphinx>=2.1
 mock
 guzzle_sphinx_theme
 breathe