diff --git a/requirements/docs.txt b/requirements/docs.txt
index 190d9b75..c589e497 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -1,4 +1,4 @@
-sphinx >=6.0,<9.0
+sphinx >=8.1.3,<9.0
 myst-parser >=2.0.0
 nbsphinx >=0.8.5
 pandoc >=1.0