diff --git a/requirements.txt b/requirements.txt
index aa304a4..86c8a63 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,27 +1,27 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-pbr>=1.6
+pbr>=1.6 # Apache-2.0
 cliff>=1.15.0 # Apache-2.0
-anyjson>=0.3.3
-httplib2>=0.7.5
-jsonschema!=2.5.0,<3.0.0,>=2.0.0
-testtools>=1.4.0
-paramiko>=1.13.0
-netaddr!=0.7.16,>=0.7.12
-testrepository>=0.0.18
-pyOpenSSL>=0.14
+anyjson>=0.3.3 # BSD
+httplib2>=0.7.5 # MIT
+jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
+testtools>=1.4.0 # MIT
+paramiko>=1.13.0 # LGPL
+netaddr!=0.7.16,>=0.7.12 # BSD
+testrepository>=0.0.18 # Apache-2.0/BSD
+pyOpenSSL>=0.14 # Apache-2.0
 oslo.concurrency>=2.3.0 # Apache-2.0
 oslo.config>=3.2.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.2.0 # Apache-2.0
-six>=1.9.0
-iso8601>=0.1.9
-fixtures>=1.3.1
-testscenarios>=0.4
-tempest-lib>=0.13.0
-PyYAML>=3.1.0
+oslo.utils>=3.4.0 # Apache-2.0
+six>=1.9.0 # MIT
+iso8601>=0.1.9 # MIT
+fixtures>=1.3.1 # Apache-2.0/BSD
+testscenarios>=0.4 # Apache-2.0/BSD
+tempest-lib>=0.13.0 # Apache-2.0
+PyYAML>=3.1.0 # MIT
 stevedore>=1.5.0 # Apache-2.0
-PrettyTable<0.8,>=0.7
+PrettyTable<0.8,>=0.7 # BSD
diff --git a/test-requirements.txt b/test-requirements.txt
index 5b01ea9..eb43f31 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,10 +3,10 @@
 # process, which may cause wedges in the gate later.
 hacking<0.11,>=0.10.0
 # needed for doc build
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
-python-subunit>=0.0.18
+sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
+python-subunit>=0.0.18 # Apache-2.0/BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
-mox>=0.5.3
-mock>=1.2
-coverage>=3.6
+mox>=0.5.3 # Apache-2.0
+mock>=1.2 # BSD
+coverage>=3.6 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0