diff --git a/doc/sphinx/requirements.txt b/doc/sphinx/requirements.txt
index eab1576220..bb0544bfde 100644
--- a/doc/sphinx/requirements.txt
+++ b/doc/sphinx/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx==3.5.4
+Sphinx==4.2
 sphinx_rtd_theme==1.1.1
 lxml