diff --git a/docs/requirements.txt b/docs/requirements.txt
index 8a54786..6367d2f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx>=7.4.7
+sphinx>=8.1.3
 sphinx-rtd-theme>=3.1.0
 myst-parser>=3.0.1
 pandas