diff --git a/requirements.txt b/requirements.txt
index 0c93734..12f89a0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,12 +3,12 @@
 # process, which may cause wedges in the gate later.
 pbr>=0.6,!=0.7,<1.0
 argparse
-cliff>=1.7.0  # Apache-2.0
+cliff>=1.10.0,<1.11.0  # Apache-2.0
 iso8601>=0.1.9
 netaddr>=0.7.12
-oslo.i18n>=1.3.0  # Apache-2.0
-oslo.serialization>=1.2.0               # Apache-2.0
-oslo.utils>=1.2.0                       # Apache-2.0
+oslo.i18n>=1.5.0,<1.6.0  # Apache-2.0
+oslo.serialization>=1.4.0,<1.5.0               # Apache-2.0
+oslo.utils>=1.4.0,<1.5.0                       # Apache-2.0
 requests>=2.2.0,!=2.4.0
 python-keystoneclient>=1.1.0
 simplejson>=2.2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 08b1781..9957888 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,11 +9,11 @@ discover
 fixtures>=0.3.14
 mox3>=0.7.0
 mock>=1.0
-oslosphinx>=2.2.0  # Apache-2.0
-oslotest>=1.2.0  # Apache-2.0
+oslosphinx>=2.5.0,<2.6.0  # Apache-2.0
+oslotest>=1.5.1,<1.6.0  # Apache-2.0
 python-subunit>=0.0.18
-requests-mock>=0.5.1  # Apache-2.0
+requests-mock>=0.6.0  # Apache-2.0
 sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
 testrepository>=0.0.18
 testtools>=0.9.36,!=1.2.0
-tempest-lib>=0.3.0
+tempest-lib>=0.4.0