diff --git a/_requirements/docs.txt b/_requirements/docs.txt
index 507c76f..e7e3d50 100644
--- a/_requirements/docs.txt
+++ b/_requirements/docs.txt
@@ -1,4 +1,4 @@
-sphinx >=6.0,<7.0
+sphinx >=6.0,<9.0
 myst-parser >=2.0.0
 nbsphinx >=0.8.5
 pandoc >=1.0