diff --git a/test-requirements.txt b/test-requirements.txt
index fe706786..96c61c72 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -17,6 +17,6 @@ openstack.nose-plugin>=0.7 # Apache-2.0
 nosehtmloutput>=0.0.3 # Apache-2.0
 selenium>=2.50.1 # Apache-2.0
 # Docs Requirements
-sphinx>=1.5.1 # BSD
+sphinx!=1.6.1,>=1.5.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 http://tarballs.openstack.org/horizon/horizon-master.tar.gz#egg=horizon