diff --git a/test-requirements.txt b/test-requirements.txt
index 2e9045d2..ae5ac49d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -17,5 +17,5 @@ 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!=1.6.6,>=1.6.2 # BSD
+sphinx!=1.6.6,<1.7.0,>=1.6.2 # BSD
 oslosphinx>=4.7.0 # Apache-2.0