diff --git a/python/lib/dcoscli/requirements.txt b/python/lib/dcoscli/requirements.txt
index 50e7681a..d13e8240 100644
--- a/python/lib/dcoscli/requirements.txt
+++ b/python/lib/dcoscli/requirements.txt
@@ -1,4 +1,4 @@
-sphinx>=1.3.1, <4.0
+sphinx>=1.3.1, <5.0
 tox>=2.2, <3.0
 wheel>=0.24.0, <1.0
 pytest>=2.9.1