diff --git a/requirements.txt b/requirements.txt
index f50a483..027f7c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,14 +2,14 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr>=0.8
-Babel>=1.3
-cliff>=1.7.0
-eventlet>=0.15
+pbr>=1.6 # Apache-2.0
+Babel>=2.3.4 # BSD
+cliff!=1.16.0,!=1.17.0,>=1.15.0 # Apache-2.0
+eventlet!=0.18.3,>=0.18.2 # MIT
 bintrees>=2.0.2
 chardet>=2.0.1
-stevedore>=1.1.0
+stevedore>=1.10.0 # Apache-2.0
 six>=1.9.0 # MIT
 python-debian>=0.1.21
-lxml>=3.2
-jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
+lxml>=2.3 # BSD
+jsonschema>=2.0.0,<3.0.0,!=2.5.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 0c885d3..53dc332 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,14 +2,14 @@
 # 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
+hacking>=0.10.2,<0.11 # Apache-2.0
 
-coverage>=3.6
-discover
-python-subunit>=0.0.18
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
-oslosphinx>=2.5.0 # Apache-2.0
+coverage>=3.6 # Apache-2.0
+discover # BSD
+python-subunit>=0.0.18 # Apache-2.0/BSD
+sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3 # BSD
+oslosphinx>=2.5.0,!=3.4.0 # Apache-2.0
 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