diff --git a/examples/sphinx/requirements.txt b/examples/sphinx/requirements.txt
index bce8181..6838a25 100644
--- a/examples/sphinx/requirements.txt
+++ b/examples/sphinx/requirements.txt
@@ -1,3 +1,3 @@
 furo==2025.12.19
 rstcheck[sphinx]==6.2.5
-Sphinx==8.2.3
+Sphinx==9.1.0