diff --git a/docs/requirements.txt b/docs/requirements.txt
index b69a54c573e27af07a4f676de27adb64fe08bbe5..3a0f214684c8fb723a7235957e3bae85f91c4fa9 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -41,7 +41,7 @@ requests==2.26.0
     # via sphinx
 snowballstemmer==2.1.0
     # via sphinx
-sphinx==4.2.0
+sphinx==4.3.0
     # via
     #   -r requirements.in
     #   recommonmark