diff --git a/requirements.txt b/requirements.txt
index 5b6c4279..d1e2ae10 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ netaddr!=0.7.16,>=0.7.13 # BSD
 SQLAlchemy!=1.1.5,!=1.1.6,!=1.1.7,!=1.1.8,>=1.0.10 # MIT
 alembic>=0.8.10 # MIT
 six>=1.9.0 # MIT
-neutron-lib>=1.4.0 # Apache-2.0
+neutron-lib>=1.6.0 # Apache-2.0
 oslo.config>=3.22.0 # Apache-2.0
 oslo.db>=4.19.0 # Apache-2.0
 oslo.log>=3.22.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index b4d6492c..22c1cd9b 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 hacking<0.12,>=0.11.0 # Apache-2.0
 
-coverage>=4.0 # Apache-2.0
+coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0 # BSD
 python-subunit>=0.0.18 # Apache-2.0/BSD