diff --git a/requirements.txt b/requirements.txt
index a988546..cc38959 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,14 +2,14 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-Babel>=1.3
-pbr>=1.6
-argparse
-PrettyTable<0.8,>=0.7
+Babel>=1.3 # BSD
+pbr>=1.6 # Apache-2.0
+argparse # PSF
+PrettyTable<0.8,>=0.7 # BSD
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.2.0 # Apache-2.0
-python-keystoneclient!=1.8.0,>=1.6.0
-PyYAML>=3.1.0
-requests!=2.9.0,>=2.8.1
-six>=1.9.0
+oslo.utils>=3.4.0 # Apache-2.0
+python-keystoneclient!=1.8.0,!=2.1.0,>=1.6.0 # Apache-2.0
+PyYAML>=3.1.0 # MIT
+requests!=2.9.0,>=2.8.1 # Apache-2.0
+six>=1.9.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 304f1a2..123c7f4 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,11 +4,11 @@
 
 # Hacking already pins down pep8, pyflakes and flake8
 hacking<0.11,>=0.10.2
-coverage>=3.6
-discover
-fixtures>=1.3.1
-mock>=1.2
+coverage>=3.6 # Apache-2.0
+discover # BSD
+fixtures>=1.3.1 # Apache-2.0/BSD
+mock>=1.2 # BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
-testrepository>=0.0.18
-testtools>=1.4.0
+sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
+testrepository>=0.0.18 # Apache-2.0/BSD
+testtools>=1.4.0 # MIT