diff --git a/requirements.txt b/requirements.txt
index 215874cfa3..fbe3b8d656 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ pbr>=1.6
 six>=1.9.0
 
 Babel>=1.3
-cliff>=1.14.0 # Apache-2.0
+cliff>=1.15.0 # Apache-2.0
 keystoneauth1>=1.0.0
 os-client-config!=1.6.2,>=1.4.0
 oslo.config>=2.7.0 # Apache-2.0
@@ -16,5 +16,5 @@ python-keystoneclient!=1.8.0,>=1.6.0
 python-novaclient!=2.33.0,>=2.29.0
 python-cinderclient>=1.3.1
 python-neutronclient>=2.6.0
-requests!=2.8.0,>=2.5.2
+requests>=2.8.1
 stevedore>=1.5.0 # Apache-2.0