diff --git a/test-requirements.txt b/test-requirements.txt
index cbb147d7..f657ca5e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,4 +5,4 @@
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 
 # this is required for the docs build jobs
-sphinx!=1.6.6,>=1.6.2 # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD