diff --git a/requirements.txt b/requirements.txt
index 4acb43b..148bd15 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@
 # process, which may cause wedges in the gate later.
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 python-heatclient>=1.6.1
-python-neutronclient>=6.3.0
-oslo.serialization>=1.10.0,!=2.19.1 # Apache-2.0
-oslo.utils>=3.20.0 # Apache-2.0
+python-neutronclient>=6.3.0,<6.8
+oslo.serialization>=2.18.0,!=2.19.1 # Apache-2.0
+oslo.utils>=3.33.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 76df267..debb000 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,14 +6,14 @@ hacking<0.11,>=0.10.0
 coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 httpretty>=0.8.0,!=0.8.1,!=0.8.2,!=0.8.3
-mox3!=0.19.0,>=0.7.0 # Apache-2.0
-mock>=2.0 # BSD
-oslotest>=1.10.0 # Apache-2.0
-python-openstackclient>=3.11.0 # Apache-2.0
-python-subunit>=0.0.18 # Apache-2.0/BSD
-reno!=2.3.1,>=1.8.0 # Apache-2.0
-requests-mock>=1.1 # Apache-2.0
-sphinx>=1.6.2 # BSD
+mox3>=0.20.0 # Apache-2.0
+mock>=2.0.0 # BSD
+oslotest>=3.2.0 # Apache-2.0
+python-openstackclient>=3.12.0 # Apache-2.0
+python-subunit>=1.0.0 # Apache-2.0/BSD
+reno>=2.5.0 # Apache-2.0
+requests-mock>=1.1.0 # Apache-2.0
+sphinx!=1.6.6,>=1.6.2 # BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
-testtools>=1.4.0 # MIT
+testtools>=2.2.0 # MIT
 testscenarios>=0.4 # Apache-2.0/BSD