diff --git a/docs/requirements.txt b/docs/requirements.txt
index 46b80f41..1c22e593 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx==8.1.3
+Sphinx==9.0.4
 sphinx-rtd-theme==3.0.2
 sphinx-intl==2.3.2
 breathe==4.36.0