diff --git a/docs/requirements.txt b/docs/requirements.txt
index 85d1a47..ee58203 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx>=7.0
+sphinx>=9.1.0
 sphinx-autodoc-typehints>=3.0
 sphinx-click>=6.0.0
 sphinx-rtd-theme>=3.0.2