diff --git a/scripts/requirements-doc.txt b/scripts/requirements-doc.txt
index abc44e52334150..fdad0c3fd47aa2 100644
--- a/scripts/requirements-doc.txt
+++ b/scripts/requirements-doc.txt
@@ -2,7 +2,7 @@
 
 breathe>=4.23.0
 docutils>=0.16
-sphinx>=3.3.0,<4.0
+sphinx>=3.3.0,<3.4.0
 sphinx_rtd_theme
 sphinx-tabs
 sphinxcontrib-svg2pdfconverter