diff --git a/docs/requirements.txt b/docs/requirements.txt
index cf1d9d58..fce0b470 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -6,5 +6,5 @@ rstcheck~=6.2
 secretflow-doctools~=0.8.5
 sphinx-autobuild
 sphinx-intl~=2.3
-sphinx~=8.0
+sphinx~=7.4
 sphinxcontrib-mermaid~=1.0