diff --git a/docs_requirements.txt b/docs_requirements.txt
index d514d04a5a6b..0bb2814b186d 100644
--- a/docs_requirements.txt
+++ b/docs_requirements.txt
@@ -1,4 +1,4 @@
-sphinx==3.1.2
+sphinx==4.0.1
 sphinx_rtd_theme
 sphinx-jsonschema
 nbsphinx