diff --git a/docs/requirements.txt b/docs/requirements.txt
index f8edf10c335d..f6ce858e0c7a 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
 pygments
-Sphinx>=3.3.0
+Sphinx>=3.3.0,<3.4.0
 sphinx-intl==2.0.1
 sphinx-jsonschema==1.16.6
 sphinx-rtd-theme==0.5.0