diff --git a/requirements.txt b/requirements.txt
index 0da071f..b623213 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr>=1.6
-Babel>=1.3
-requests!=2.9.0,>=2.8.1
-six>=1.9.0
+pbr>=1.6 # Apache-2.0
+Babel>=1.3 # BSD
+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 9443007..296be8d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,18 +3,18 @@
 # process, which may cause wedges in the gate later.
 
 hacking<0.11,>=0.10.2
-coverage>=3.6
-discover
-fixtures>=1.3.1
-mock>=1.2
-python-subunit>=0.0.18
+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
 oslotest>=1.10.0 # 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
 requests-mock>=0.7.0 # Apache-2.0
 
 # Doc requirements
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
+sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0