diff --git a/neutron/db/migration/__init__.py b/neutron/db/migration/__init__.py
index f0ac982a744..dad19514f8c 100644
--- a/neutron/db/migration/__init__.py
+++ b/neutron/db/migration/__init__.py
@@ -27,6 +27,7 @@ LIBERTY = 'liberty'
 MITAKA = 'mitaka'
 NEWTON = 'newton'
 OCATA = 'ocata'
+PIKE = 'pike'
 
 NEUTRON_MILESTONES = [
     # earlier milestones were not tagged
diff --git a/neutron/db/migration/alembic_migrations/versions/ocata/expand/a9c43481023c_extend_ml2_port_bindings.py b/neutron/db/migration/alembic_migrations/versions/ocata/expand/a9c43481023c_extend_ml2_port_bindings.py
index 6fa702ec874..9cd4c2cb51f 100644
--- a/neutron/db/migration/alembic_migrations/versions/ocata/expand/a9c43481023c_extend_ml2_port_bindings.py
+++ b/neutron/db/migration/alembic_migrations/versions/ocata/expand/a9c43481023c_extend_ml2_port_bindings.py
@@ -30,9 +30,11 @@ import sqlalchemy as sa
 from sqlalchemy.engine.reflection import Inspector as insp
 
 from neutron.common import constants
+from neutron.db import migration
 
 MYSQL_ENGINE = 'mysql'
 ML2_PORT_BINDING = 'ml2_port_bindings'
+neutron_milestone = [migration.OCATA]
 
 
 def upgrade():