diff --git a/requirements.txt b/requirements.txt
index dfd9da6d4..948cfe541 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,24 +1,24 @@
 # 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
-eventlet>=0.17.4
-iso8601>=0.1.9
-netaddr!=0.7.16,>=0.7.12
-netifaces>=0.10.4
-oslo.config>=3.2.0 # Apache-2.0
+pbr>=1.6 # Apache-2.0
+eventlet!=0.18.0,>=0.17.4 # MIT
+iso8601>=0.1.9 # MIT
+netaddr!=0.7.16,>=0.7.12 # BSD
+netifaces>=0.10.4 # MIT
+oslo.config>=3.4.0 # Apache-2.0
 oslo.concurrency>=2.3.0 # Apache-2.0
-oslo.i18n>=1.5.0 # Apache-2.0
+oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=1.14.0 # 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
-pecan>=1.0.0
+oslo.utils>=3.4.0 # Apache-2.0
+pecan>=1.0.0 # BSD
 Pint>=0.5 # BSD
-psutil<2.0.0,>=1.1.1
-pyudev
-requests!=2.9.0,>=2.8.1
-rtslib-fb>=2.1.41
-six>=1.9.0
+psutil<2.0.0,>=1.1.1 # BSD
+pyudev # LGPLv2.1+
+requests!=2.9.0,>=2.8.1 # Apache-2.0
+rtslib-fb>=2.1.41 # Apache-2.0
+six>=1.9.0 # MIT
 stevedore>=1.5.0 # Apache-2.0
-WSME>=0.8
+WSME>=0.8 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index fb36bf470..b34f20200 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,17 +2,17 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 hacking<0.11,>=0.10.0
-coverage>=3.6
-discover
-mock>=1.2
-testrepository>=0.0.18
-testtools>=1.4.0
-python-subunit>=0.0.18
+coverage>=3.6 # Apache-2.0
+discover # BSD
+mock>=1.2 # BSD
+testrepository>=0.0.18 # Apache-2.0/BSD
+testtools>=1.4.0 # MIT
+python-subunit>=0.0.18 # Apache-2.0/BSD
 oslotest>=1.10.0 # Apache-2.0
 
 # Doc requirements
 doc8 # Apache-2.0
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
-sphinxcontrib-pecanwsme>=0.8
+sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
+sphinxcontrib-pecanwsme>=0.8 # Apache-2.0
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 reno>=0.1.1 # Apache2