diff --git a/requirements.txt b/requirements.txt
index 19d7617..9ca585d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,13 +2,13 @@
 # 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
-oslo.config>=2.3.0  # Apache-2.0
-oslo.i18n>=1.5.0  # Apache-2.0`
-oslo.utils>=2.0.0,!=2.6.0               # Apache-2.0
-iso8601>=0.1.9
-requests>=2.5.2,!=2.8.0,!=2.9.0
-python-keystoneclient>=1.6.0,!=1.8.0
-PyYAML>=3.1.0
-stevedore>=1.5.0  # Apache-2.0
-six>=1.9.0
+Babel>=2.3.4 # BSD
+oslo.config>=3.14.0 # Apache-2.0
+oslo.i18n>=2.1.0 # Apache-2.0
+oslo.utils>=3.16.0 # Apache-2.0
+iso8601>=0.1.11 # MIT
+requests>=2.10.0 # Apache-2.0
+python-keystoneclient>=2.0.0,!=2.1.0 # Apache-2.0
+PyYAML>=3.1.0 # MIT
+stevedore>=1.16.0 # Apache-2.0
+six>=1.9.0 # MIT