diff --git a/test-requirements.txt b/test-requirements.txt
index 05ba285a..58047f34 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,9 +3,9 @@
 # process, which may cause wedges in the gate later.
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
-coverage>=4.0 # Apache-2.0
+coverage!=4.4,>=4.0 # Apache-2.0
 mock>=2.0 # BSD
 mox3!=0.19.0,>=0.7.0 # Apache-2.0
-sphinx>=1.5.1 # BSD
+sphinx!=1.6.1,>=1.5.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 testscenarios>=0.4 # Apache-2.0/BSD