diff --git a/doc_requirements.txt b/doc_requirements.txt
index ce1c33b17bda..52b51cd6ea3b 100644
--- a/doc_requirements.txt
+++ b/doc_requirements.txt
@@ -1,4 +1,4 @@
-sphinx>=2.2.0
+sphinx>=2.2.0,<3.0
 ipython
 scipy
 matplotlib