diff --git a/doc/requirements.txt b/doc/requirements.txt
index 4db79c1b3..0c356b873 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,3 +1,3 @@
-Sphinx==4.1.2
+Sphinx==4.2.0
 python-docs-theme==2021.8
 -e .