diff --git a/test-requirements.txt b/test-requirements.txt
index a7b7a8f820..653c0c9acf 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -18,7 +18,7 @@ os-testr>=1.0.0 # Apache-2.0
 psycopg2>=2.6.2 # LGPL/ZPL
 pylint==1.4.5 # GPLv2
 reno>=2.5.0 # Apache-2.0
-sphinx!=1.6.6,>=1.6.2 # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
 sphinxcontrib-httpdomain>=1.3.0 # BSD
 testresources>=2.0.0 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD