diff --git a/requirements-doc.txt b/requirements-doc.txt
index 5c6d440e..16eadfb7 100644
--- a/requirements-doc.txt
+++ b/requirements-doc.txt
@@ -10,7 +10,7 @@ braintaichi
 # document requirements
 pandoc
 Jinja2
-sphinx>=5, <8.2.0
+sphinx>=5, <8.3.0
 myst-nb
 sphinx_thebe
 sphinx-autodoc-typehints