diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index 6584cd0..c38a7ac 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -16,7 +16,7 @@
 
 # xosproject/onos-synchronizer
 
-FROM xosproject/xos-synchronizer-base:2.2.1
+FROM xosproject/xos-synchronizer-base:2.2.5
 COPY xos/synchronizer /opt/xos/synchronizers/onos
 COPY VERSION /opt/xos/synchronizers/onos/
 
diff --git a/xos/synchronizer/migrations/0003_auto_20190305_0236.py b/xos/synchronizer/migrations/0003_auto_20190305_0236.py
new file mode 100644
index 0000000..efb3996
--- /dev/null
+++ b/xos/synchronizer/migrations/0003_auto_20190305_0236.py
@@ -0,0 +1,50 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.11 on 2019-03-05 07:36
+from __future__ import unicode_literals
+
+import core.models.xosbase_header
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('onos', '0002_auto_20190225_1840'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='onosapp_decl',
+            name='app_id',
+            field=core.models.xosbase_header.StrippedCharField(blank=True, help_text=b'Application identifier', max_length=256),
+        ),
+        migrations.AlterField(
+            model_name='onosservice_decl',
+            name='rest_hostname',
+            field=core.models.xosbase_header.StrippedCharField(blank=True, help_text=b'Hostname of ONOS Service REST endpoint', max_length=255),
+        ),
+        migrations.AlterField(
+            model_name='onosservice_decl',
+            name='rest_password',
+            field=core.models.xosbase_header.StrippedCharField(blank=True, default=b'karaf', help_text=b'Password to use when authenticating to ONOS', max_length=255),
+        ),
+        migrations.AlterField(
+            model_name='onosservice_decl',
+            name='rest_username',
+            field=core.models.xosbase_header.StrippedCharField(blank=True, default=b'karaf', help_text=b'Username to use when authenticating to ONOS', max_length=255),
+        ),
+    ]