diff --git a/requirements.txt b/requirements.txt
index 1a384e46..2de8022e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,8 +8,8 @@ PyYAML>=3.10.0 # MIT
 python-dateutil>=2.4.2 # BSD
 six>=1.9.0 # MIT
 tosca-parser>=0.8.1 # Apache-2.0
-keystoneauth1>=2.20.0 # Apache-2.0
+keystoneauth1>=2.21.0 # Apache-2.0
 python-novaclient>=9.0.0 # Apache-2.0
 python-heatclient>=1.6.1 # Apache-2.0
 python-glanceclient>=2.7.0 # Apache-2.0
-requests!=2.12.2,!=2.13.0,>=2.10.0 # Apache-2.0
+requests>=2.14.2 # Apache-2.0