From 82172cb0aff3b7125a53d672e3b338b1a44325b0 Mon Sep 17 00:00:00 2001
From: shawnbrown <shawnbrown@users.noreply.github.com>
Date: Sun, 20 Dec 2020 21:59:10 -0500
Subject: [PATCH] Backport PR #38598: BUG: Temporarily pin the version of
 Sphinx to 3.3.1 in requirements.

---
 environment.yml      | 2 +-
 requirements-dev.txt | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/environment.yml b/environment.yml
index b99b856187fb6..1ac190830c132 100644
--- a/environment.yml
+++ b/environment.yml
@@ -31,7 +31,7 @@ dependencies:
   # documentation
   - gitpython  # obtain contributors from git for whatsnew
   - gitdb
-  - sphinx
+  - sphinx=3.3.1
 
   # documentation (jupyter notebooks)
   - nbconvert>=5.4.1
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 17ca6b8401501..137c0db5f4408 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -17,7 +17,7 @@ pycodestyle
 pyupgrade
 gitpython
 gitdb
-sphinx
+sphinx==3.3.1
 nbconvert>=5.4.1
 nbsphinx
 pandoc