diff --git a/global-requirements.txt b/global-requirements.txt
index 1969d933b1..aa96681d78 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -177,8 +177,8 @@ os-refresh-config  # Apache-2.0
 os-service-types  # Apache-2.0
 os-testr  # Apache-2.0
 os-traits  # Apache-2.0
-os-vif!=1.8.0  # Apache-2.0
 os-ken  # Apache-2.0
+os-vif!=1.8.0,!=1.12.0  # Apache-2.0
 ovs  # Apache-2.0
 os-win  # Apache-2.0
 os-xenapi  # Apache-2.0
diff --git a/upper-constraints.txt b/upper-constraints.txt
index 4b29a94fdd..2e31786ea7 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -473,7 +473,7 @@ jaeger-client===3.11.0
 XStatic-Json2yaml===0.1.1.0
 boto===2.49.0
 functools32===3.2.3.post2;python_version=='2.7'
-os-vif===1.12.0
+os-vif===1.11.1
 python-masakariclient===5.2.0
 Werkzeug===0.14.1
 pyasn1-modules===0.2.2