diff --git a/requirements.txt b/requirements.txt
index d627a2791..d1bb53cd5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,9 +6,9 @@ Babel>=2.3.4 # BSD
 eventlet!=0.18.3,>=0.18.2 # MIT
 Flask!=0.11,<1.0,>=0.10 # BSD
 greenlet>=0.3.2 # MIT
-Jinja2>=2.8 # BSD License (3 clause)
+Jinja2!=2.9.0,!=2.9.1,!=2.9.2,!=2.9.3,!=2.9.4,>=2.8 # BSD License (3 clause)
 jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
-keystoneauth1>=2.16.0 # Apache-2.0
+keystoneauth1>=2.17.0 # Apache-2.0
 keystonemiddleware>=4.12.0 # Apache-2.0
 netaddr!=0.7.16,>=0.7.13 # BSD
 oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
@@ -44,7 +44,7 @@ oslo.context>=2.9.0 # Apache-2.0
 oslo.policy>=1.17.0 # Apache-2.0
 Werkzeug>=0.7 # BSD License
 python-memcached>=1.56 # PSF
-tooz>=1.28.0 # Apache-2.0
+tooz>=1.47.0 # Apache-2.0
 debtcollector>=1.2.0 # Apache-2.0
-os-win>=1.1.0 # Apache-2.0
+os-win>=1.3.0 # Apache-2.0
 monasca-statsd>=1.1.0 # Apache-2.0