diff --git a/requirements.txt b/requirements.txt
index 35a205cb1a..cd938d199d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,15 +3,15 @@
 # process, which may cause wedges in the gate later.
 
 # pbr should be first
-pbr>=1.6
+pbr>=1.6 # Apache-2.0
 
-alembic>=0.8.0
-Babel>=1.3
-eventlet>=0.17.4
-greenlet>=0.3.2
-iso8601>=0.1.9
-lxml>=2.3
-netaddr!=0.7.16,>=0.7.12
+alembic>=0.8.0 # MIT
+Babel>=1.3 # BSD
+eventlet>=0.17.4 # MIT
+greenlet>=0.3.2 # MIT
+iso8601>=0.1.9 # MIT
+lxml>=2.3 # BSD
+netaddr!=0.7.16,>=0.7.12 # BSD
 oslo.config>=3.2.0 # Apache-2.0
 oslo.context>=0.2.0 # Apache-2.0
 oslo.db>=4.1.0 # Apache-2.0
@@ -23,20 +23,20 @@ oslo.policy>=0.5.0 # Apache-2.0
 oslo.rootwrap>=2.0.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.0.0 # Apache-2.0
-oslo.utils>=3.2.0 # Apache-2.0
+oslo.utils>=3.4.0 # Apache-2.0
 oslo.concurrency>=2.3.0 # Apache-2.0
-paramiko>=1.13.0
-Paste
-PasteDeploy>=1.5.0
-python-neutronclient>=2.6.0
-keystonemiddleware>=4.0.0
-requests!=2.9.0,>=2.8.1
+paramiko>=1.13.0 # LGPL
+Paste # MIT
+PasteDeploy>=1.5.0 # MIT
+python-neutronclient>=2.6.0 # Apache-2.0
+keystonemiddleware>=4.0.0 # Apache-2.0
+requests!=2.9.0,>=2.8.1 # Apache-2.0
 retrying!=1.3.0,>=1.2.3 # Apache-2.0
-Routes!=2.0,!=2.1,>=1.12.3;python_version=='2.7'
-Routes!=2.0,>=1.12.3;python_version!='2.7'
-six>=1.9.0
-SQLAlchemy<1.1.0,>=1.0.10
+Routes!=2.0,!=2.1,>=1.12.3;python_version=='2.7' # MIT
+Routes!=2.0,>=1.12.3;python_version!='2.7' # MIT
+six>=1.9.0 # MIT
+SQLAlchemy<1.1.0,>=1.0.10 # MIT
 stevedore>=1.5.0 # Apache-2.0
-python-cinderclient>=1.3.1
-python-novaclient!=2.33.0,>=2.29.0
-WebOb>=1.2.3
+python-cinderclient>=1.3.1 # Apache-2.0
+python-novaclient!=2.33.0,>=2.29.0 # Apache-2.0
+WebOb>=1.2.3 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 6428f880c2..34ab478b62 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,18 +6,18 @@
 hacking<0.11,>=0.10.2
 
 bashate>=0.2 # Apache-2.0
-coverage>=3.6
-ddt>=1.0.1
-fixtures>=1.3.1
-mock>=1.2
+coverage>=3.6 # Apache-2.0
+ddt>=1.0.1 # MIT
+fixtures>=1.3.1 # Apache-2.0/BSD
+mock>=1.2 # BSD
 PyMySQL>=0.6.2 # MIT License
 oslotest>=1.10.0 # Apache-2.0
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
-psycopg2>=2.5
-python-subunit>=0.0.18
+psycopg2>=2.5 # LGPL/ZPL
+python-subunit>=0.0.18 # Apache-2.0/BSD
 requests-mock>=0.7.0 # Apache-2.0
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
-testrepository>=0.0.18
-testresources>=0.2.4
-testtools>=1.4.0
+sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
+testrepository>=0.0.18 # Apache-2.0/BSD
+testresources>=0.2.4 # Apache-2.0/BSD
+testtools>=1.4.0 # MIT
 reno>=0.1.1 # Apache2