Pin Jinja to pre-3.1 release

1 files changed, 1 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index edd40c6..15d371d 100644
--- a/setup.py
+++ b/setup.py
@@ -120,6 +120,7 @@ setup(
     install_requires=[
         'sphinx>=1.6',
         'docutils<0.18',
+        'Jinja2<3.1',
     ],
     tests_require=[
         'pytest',