diff --git a/requirements.txt b/requirements.txt
index 5c313a2627..847978715d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 requests>=2.14.0
 pyjwt
-sphinx<3
+sphinx<5
 sphinx-rtd-theme<0.6
 Deprecated