diff --git a/requirements.txt b/requirements.txt
index cd9d6fe..e6fea7e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,15 +1,15 @@
 # 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
 
-Babel>=1.3
-python-glanceclient>=1.2.0
-python-ironicclient>=0.8.0
-python-keystoneclient!=1.8.0,>=1.6.0
-python-neutronclient>=2.6.0
-python-novaclient!=2.33.0,>=2.29.0
-oslo.config>=3.2.0 # Apache-2.0
-oslo.i18n>=1.5.0 # Apache-2.0
-pyOpenSSL>=0.14
-six>=1.9.0
+Babel>=1.3 # BSD
+python-glanceclient>=1.2.0 # Apache-2.0
+python-ironicclient>=1.1.0 # Apache-2.0
+python-keystoneclient!=1.8.0,!=2.1.0,>=1.6.0 # Apache-2.0
+python-neutronclient>=2.6.0 # Apache-2.0
+python-novaclient!=2.33.0,>=2.29.0 # Apache-2.0
+oslo.config>=3.4.0 # Apache-2.0
+oslo.i18n>=2.1.0 # Apache-2.0
+pyOpenSSL>=0.14 # Apache-2.0
+six>=1.9.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index bbac4c9..23f6eea 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,13 +3,13 @@
 # process, which may cause wedges in the gate later.
 hacking<0.10,>=0.9.2
 
-coverage>=3.6
-discover
-fixtures>=1.3.1
-mock>=1.2
-python-subunit>=0.0.18
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
+coverage>=3.6 # Apache-2.0
+discover # BSD
+fixtures>=1.3.1 # Apache-2.0/BSD
+mock>=1.2 # BSD
+python-subunit>=0.0.18 # Apache-2.0/BSD
+sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
 oslosphinx!=3.4.0,>=2.5.0 # 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>=1.4.0 # MIT