diff --git a/test-requirements.txt b/test-requirements.txt
index 75c00578..36213149 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -21,7 +21,7 @@ openstack.nose-plugin>=0.7 # Apache-2.0
 openstackdocstheme>=1.18.1 # Apache-2.0
 reno>=2.5.0 # Apache-2.0
 selenium>=2.50.1 # Apache-2.0
-sphinx!=1.6.6,<1.7.0,>=1.6.2 # BSD
+sphinx!=1.6.6,>=1.6.2 # BSD
 # This also needs xvfb library installed on your OS
 xvfbwrapper>=0.1.3 #license: MIT
 # Include horizon as test requirement