diff --git a/docs/requirements.txt b/docs/requirements.txt
index b288ea1aa..4276c1800 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx
+sphinx==8.1.3
 myst-parser
 linkify
 -e git+https://github.com/pytorch/pytorch_sphinx_theme.git#egg=pytorch_sphinx_theme