diff --git a/test-requirements.txt b/test-requirements.txt
index 0c885d3..91ee374 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,12 +4,11 @@
 
 hacking<0.11,>=0.10.0
 
-coverage>=3.6
-discover
-python-subunit>=0.0.18
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
-oslosphinx>=2.5.0 # Apache-2.0
+coverage!=4.4,>=4.0 # Apache-2.0
+python-subunit>=1.0.0 # Apache-2.0/BSD
+sphinx>=1.6.2 # BSD
+oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
-testrepository>=0.0.18
-testscenarios>=0.4
-testtools>=1.4.0
+testrepository>=0.0.18 # Apache-2.0/BSD
+testscenarios>=0.4 # Apache-2.0/BSD
+testtools>=2.2.0 # MIT