From fb02cc80f747bce8e01c4c80ca80f066945a8d3c Mon Sep 17 00:00:00 2001
From: Justin Lebar <justin.lebar@gmail.com>
Date: Fri, 7 Aug 2020 11:47:05 -0700
Subject: [PATCH] Update docs requirements. (#3969)

---
 docs/requirements.txt | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3562b06e6..169a365fa 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,9 +1,14 @@
-sphinx>=2.1
+# sphinx <3 is required by myst-parser[sphinx] v0.9.1, the latest version as of 2020-08-05
+sphinx >=2.1, <3
+
 sphinx_rtd_theme
+
+# sphinx-autodoc-typehints 1.11 requires sphinx >= 3, but we can't have that right now.
+sphinx-autodoc-typehints <1.11
+
 jaxlib
 ipykernel
 nbsphinx
-sphinx-autodoc-typehints
 myst-parser[sphinx]
 # The next packages are for notebooks
 matplotlib