From 99e2b226e39840e8198a8dd13d288dbae61923cf Mon Sep 17 00:00:00 2001
From: Philipp Sommer <philipp.sommer@hereon.de>
Date: Thu, 16 Sep 2021 13:11:08 +0200
Subject: [PATCH] add upper bound for sphinx

closes #63
---
 setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index d6167fb..279e9a4 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@ def readme():
       license="Apache-2.0",
       packages=find_packages(exclude=['docs', 'tests*', 'examples']),
       install_requires=[
-          'Sphinx>=2.2',
+          'Sphinx>=2.2,<5.0',
       ],
       setup_requires=pytest_runner,
       tests_require=['pytest'],