diff --git a/requirements.txt b/requirements.txt
index e3a08e0c2..9a0fd0e57 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,8 +4,8 @@
 pbr>=1.6
 argparse
 PrettyTable<0.8,>=0.7
-python-keystoneclient>=1.6.0
-requests>=2.5.2
+python-keystoneclient!=1.8.0,>=1.6.0
+requests!=2.8.0,>=2.5.2
 simplejson>=2.2.0
 Babel>=1.3
 six>=1.9.0
diff --git a/test-requirements.txt b/test-requirements.txt
index a339c48a4..fccaaa98a 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,6 +11,6 @@ oslosphinx>=2.5.0 # Apache-2.0
 python-subunit>=0.0.18
 requests-mock>=0.6.0 # Apache-2.0
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
-tempest-lib>=0.9.0
+tempest-lib>=0.10.0
 testtools>=1.4.0
 testrepository>=0.0.18