diff --git a/requirements-docs.txt b/requirements-docs.txt
index 11f5f38..2eedd74 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -46,7 +46,7 @@ snowballstemmer==2.2.0
     # via sphinx
 soupsieve==2.6
     # via beautifulsoup4
-sphinx==8.0.2
+sphinx==8.1.3
     # via
     #   -r requirements-docs.in
     #   pydata-sphinx-theme