diff --git a/docs/requirements.txt b/docs/requirements.txt
index f220d3b..d243d1c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
 furo==2023.9.10
-sphinx==7.2.5
+sphinx==9.0.4
 sphinx-click==5.1.0
 directory-tree==0.0.4