diff --git a/test-requirements.txt b/test-requirements.txt
index ac66d7e..82d06d7 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -21,8 +21,8 @@ nosexcover>=1.0.10 # BSD
 openstack.nose-plugin>=0.7 # Apache-2.0
 oslosphinx>=4.7.0 # Apache-2.0
 selenium>=2.50.1 # Apache-2.0
-sphinx>=1.6.2 # BSD
-testtools>=1.4.0 # MIT
+sphinx!=1.6.6,>=1.6.2 # BSD
+testtools>=2.2.0 # MIT
 # This also needs xvfb library installed on your OS
 xvfbwrapper>=0.1.3 #license: MIT
 # Include horizon as test requirement