diff --git a/docs/requirements.txt b/docs/requirements.txt
index acda885..e2c574a 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
 furo==2025.12.19
 myst_parser==4.0.1
-sphinx==8.2.3
+sphinx==9.1.0
 sphinx-click==6.2.0