diff --git a/requirements/docs.txt b/requirements/docs.txt
index 6d4fbb93f3..e21ca29429 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -1,4 +1,4 @@
-sphinx==8.2.3
+sphinx==9.1.0
 sphinxcontrib_trio==1.1.2
 sphinxcontrib-websupport==2.0.0
 myst-parser[linkify]==4.0.1