diff --git a/test-requirements.txt b/test-requirements.txt
index de4f65e..cb5e116 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,6 +5,6 @@
 hacking<0.11,>=0.10.2 # Apache-2.0
 
 Babel!=2.4.0,>=2.3.4 # BSD
-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
 doc8>=0.6.0 # Apache-2.0