diff --git a/docs/requirements.txt b/docs/requirements.txt
index f769722022..272693702a 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
 -r ../dev-requirements.txt
-sphinx
+sphinx!=3.0.0
 alabaster
 requests>=2,<2.16