diff --git a/docs/requirements.txt b/docs/requirements.txt
index fb156cb038..b29f351f88 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx==8.2.3
+Sphinx==9.1.0
 sphinx-rtd-theme==3.0.2
 sphinx-intl==2.3.2
 breathe==4.36.0