diff --git a/test-requirements.txt b/test-requirements.txt
index 402c212..e1364a1 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,19 +1,19 @@
-coverage>=3.6
+coverage>=4.0  # Apache-2.0
 discover
 dpath>=1.3.2
-fixtures>=0.3.14
+fixtures>=3.0.0  # Apache-2.0/BSD
 # Hacking already pins down pep8, pyflakes and flake8
-hacking>=0.10.0,<0.11
-mock>=1.0
-requests>=1.2.1,!=2.4.0
-requests-mock>=0.4.0  # Apache-2.0
+hacking>=0.12.0,!=0.13.0,<0.14  # Apache-2.0
+mock>=2.0  # BSD
+requests>=2.10.0,!=2.12.2,!=2.13.0  # Apache-2.0
+requests-mock>=1.1  # Apache-2.0
 salt
 testrepository>=0.0.18
 testscenarios>=0.4
-testtools>=0.9.34
+testtools>=1.4.0  # MIT
 yamllint>=1.2.0
-os-apply-config
+os-apply-config  # Apache-2.0
 
-python-heatclient>=1.2.0
-python-keystoneclient>=0.10.0
-python-openstackclient>=2.1.0
+python-heatclient>=1.6.1  # Apache-2.0
+python-keystoneclient>=3.8.0  # Apache-2.0
+python-openstackclient>=3.3.0  # Apache-2.0