diff --git a/requirements.txt b/requirements.txt
index b14a7dbdd007..082493afe5b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx==8.0.2
+Sphinx==8.1.3
 ablog==0.11.11
 pydata-sphinx-theme==0.15.4
 myst-parser==4.0.0