diff --git a/neutron_vpnaas/db/migration/alembic_migrations/versions/newton/contract/b6a2519ab7dc_rename_tenant_to_project.py b/neutron_vpnaas/db/migration/alembic_migrations/versions/newton/contract/b6a2519ab7dc_rename_tenant_to_project.py
index e95509c02..079c1e46f 100644
--- a/neutron_vpnaas/db/migration/alembic_migrations/versions/newton/contract/b6a2519ab7dc_rename_tenant_to_project.py
+++ b/neutron_vpnaas/db/migration/alembic_migrations/versions/newton/contract/b6a2519ab7dc_rename_tenant_to_project.py
@@ -32,7 +32,7 @@ revision = 'b6a2519ab7dc'
 down_revision = '2cb4ee992b41'
 
 # milestone identifier, used by neutron-db-manage
-neutron_milestone = [migration.NEWTON]
+neutron_milestone = [migration.NEWTON, migration.OCATA]
 
 
 _INSPECTOR = None
diff --git a/neutron_vpnaas/db/migration/alembic_migrations/versions/ocata/expand/38893903cbde_add_auth_algorithm_sha384_and_sha512.py b/neutron_vpnaas/db/migration/alembic_migrations/versions/ocata/expand/38893903cbde_add_auth_algorithm_sha384_and_sha512.py
index 7980e13a5..6aeafd06a 100644
--- a/neutron_vpnaas/db/migration/alembic_migrations/versions/ocata/expand/38893903cbde_add_auth_algorithm_sha384_and_sha512.py
+++ b/neutron_vpnaas/db/migration/alembic_migrations/versions/ocata/expand/38893903cbde_add_auth_algorithm_sha384_and_sha512.py
@@ -21,12 +21,16 @@ Create Date: 2016-11-04 18:00:49.219140
 
 """
 
+from neutron.db import migration
+import sqlalchemy as sa
+
+
 # revision identifiers, used by Alembic.
 revision = '38893903cbde'
 down_revision = '52783a36bd67'
 
-from neutron.db import migration
-import sqlalchemy as sa
+# milestone identifier, used by neutron-db-manage
+neutron_milestone = [migration.OCATA]
 
 new_auth = sa.Enum('sha1', 'sha256', 'sha384', 'sha512',
                    name='vpn_auth_algorithms')