diff --git a/test-requirements.txt b/test-requirements.txt
index 0ae82eda4..e6692b701 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,10 +4,10 @@
 
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 
-coverage>=4.0 # Apache-2.0
+coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 python-subunit>=0.0.18 # Apache-2.0/BSD
-sphinx>=1.5.1 # BSD
+sphinx!=1.6.1,>=1.5.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 os-api-ref>=1.0.0 # Apache-2.0