From 387af9c4af10b4e48fb0158b3d16488ade48a75f Mon Sep 17 00:00:00 2001
From: Graham Gower <graham.gower@gmail.com>
Date: Fri, 22 Apr 2022 15:15:53 +0200
Subject: [PATCH] Fix docs build.

See https://github.com/sphinx-doc/sphinx/issues/10291
---
 requirements.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/requirements.txt b/requirements.txt
index 48adc93..09683d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+jinja2==3.0.3
 jupyter-book==0.12.1
 sphinx==3.5.4
 sphinx_rtd_theme==1.0.0