[rtems-central commit] requirements.txt: Set maximum Sphinx version

[Sebastian Huber]

Module:    rtems-central
Branch:    master
Commit:    027ed522a4088020a998d309a70a631253808e88
Changeset: http://git.rtems.org/rtems-central/commit/?id=027ed522a4088020a998d309a70a631253808e88

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Tue Nov 21 11:13:15 2023 +0100

requirements.txt: Set maximum Sphinx version

Update #4915.
Update #4928.

---

 requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index 8689d7ea..c7cd3c16 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ PyYAML>=6.0
 requests>=2.27.1
 six>=1.16.0
 snowballstemmer>=2.2.0
-Sphinx>=4.3.2
+Sphinx<6.0.0
 sphinxcontrib-applehelp>=1.0.2
 sphinxcontrib-bibtex>=2.5.0
 sphinxcontrib-devhelp>=1.0.2