diff --git a/requirements.txt b/requirements.txt
index 2925cb5d..9a7d03a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,9 +2,9 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-Babel>=1.3
-dogpile.cache>=0.5.4
-six>=1.9.0
+Babel>=1.3 # BSD
+dogpile.cache>=0.5.4 # BSD
+six>=1.9.0 # MIT
 oslo.config>=3.2.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
diff --git a/setup.cfg b/setup.cfg
index a6b4252f..e2b20be9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -29,9 +29,9 @@ oslo.config.opts =
 
 [extras]
 dogpile =
-  python-memcached>=1.56
+  python-memcached>=1.56 # PSF
 mongo =
-  pymongo>=3.0.2
+  pymongo>=3.0.2 # Apache-2.0
 
 [pbr]
 warnerrors = true
diff --git a/test-requirements.txt b/test-requirements.txt
index 462fcb7b..11648ddd 100644
--- a/test-requirements.txt
+++ b/test-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.
 hacking<0.11,>=0.10.0
-mock>=1.2
+mock>=1.2 # BSD
 oslotest>=1.10.0 # Apache-2.0
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
+sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD