diff --git a/requirements/doc.txt b/requirements/doc.txt
index b52003f..c72a429 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -1,4 +1,4 @@
 -r towncrier.txt
 myst-parser >= 0.10.0
-sphinx==8.1.0
+sphinx==8.1.3
 sphinxcontrib-towncrier