Updated from global requirements

Change-Id: I2db6e88901c680aa68c904ab41bc03f4416f41fd
diff --git a/test-requirements.txt b/test-requirements.txt
index 6eae4b7..12132d9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,7 @@
 
 hacking<0.13,>=0.12.0 # Apache-2.0
 
-sphinx!=1.6.6,>=1.6.2 # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
 openstackdocstheme>=1.18.1 # Apache-2.0
 
 # releasenotes