diff --git a/requirements.txt b/requirements.txt
index 72df6e8..d2ee6fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,9 @@
 # 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
 
-anyjson>=0.3.3
-pystache
-PyYAML>=3.1.0
-six>=1.9.0
+anyjson>=0.3.3 # BSD
+pystache # MIT
+PyYAML>=3.1.0 # MIT
+six>=1.9.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 95d5cf5..bab81f5 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,12 +3,12 @@
 # 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
-testrepository>=0.0.18
-testscenarios>=0.4
-testtools>=1.4.0
+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
+testrepository>=0.0.18 # Apache-2.0/BSD
+testscenarios>=0.4 # Apache-2.0/BSD
+testtools>=1.4.0 # MIT