diff --git a/configs/seba-ponsim-latest.yaml b/configs/seba-ponsim-latest.yaml
index 7ab936f..bd4ad22 100644
--- a/configs/seba-ponsim-latest.yaml
+++ b/configs/seba-ponsim-latest.yaml
@@ -17,9 +17,9 @@
 # Use this file to deploy the 'master' (dev) versions of all services.
 # This is mainly useful for testing.
 
-etcd-operator:
-  etcdCluster:
-    size: 1
+# voltha
+etcd-cluster:
+  clusterSize: 1
 
 # in xos-core chart and other charts with multiple images
 images:
@@ -36,7 +36,7 @@
 # ONOS
   onos:
     repository: 'matteoscandolo/onos'
-    tag: '1.13.9-rc3'
+    tag: '1.13.9-rc4'
 # VOLTHA
   vcore:
     tag: 'latest'
@@ -105,8 +105,7 @@
 # in workflow/tt-workflow service chart
 tt-workflow-driver:
   image:
-    repository: andybavier/test-image-synchronizer
-    tag: tt-workflow-driver
+    tag: 'master'
 
   # this is mandatory, it's needed to correctly configure the kafka endpoint
   kafkaService: cord-kafka
diff --git a/workflows/att-workflow/Chart.yaml b/workflows/att-workflow/Chart.yaml
index 34e5460..2cc4f97 100644
--- a/workflows/att-workflow/Chart.yaml
+++ b/workflows/att-workflow/Chart.yaml
@@ -17,7 +17,7 @@
 name: att-workflow
 description: A Helm chart for XOS's "att-workflow"
 icon: https://guide.opencord.org/logos/cord.svg
-version: 1.2.0
+version: 1.2.1
 
 # xosproject/tosca-loader version
 appVersion: 1.3.0
diff --git a/workflows/att-workflow/templates/_tosca.tpl b/workflows/att-workflow/templates/_tosca.tpl
index 32c2a68..073a5f3 100644
--- a/workflows/att-workflow/templates/_tosca.tpl
+++ b/workflows/att-workflow/templates/_tosca.tpl
@@ -107,4 +107,23 @@
         - service_instance:
             node: onos_app#aaa
             relationship: tosca.relationships.BelongsToOne
+
+    onos_app#olt:
+      type: tosca.nodes.ONOSApp
+      properties:
+        name: olt
+        must-exist: true
+
+    olt-config-attr:
+      type: tosca.nodes.ServiceInstanceAttribute
+      properties:
+        name: /onos/v1/configuration/org.opencord.olt.impl.Olt?preset=true
+        value: >
+          {
+            "enableDhcpOnProvisioning" : true
+          }
+      requirements:
+        - service_instance:
+            node: onos_app#olt
+            relationship: tosca.relationships.BelongsToOne
 {{- end -}}
diff --git a/workflows/tt-workflow/Chart.yaml b/workflows/tt-workflow/Chart.yaml
index 781f4fd..e95c96b 100644
--- a/workflows/tt-workflow/Chart.yaml
+++ b/workflows/tt-workflow/Chart.yaml
@@ -17,7 +17,7 @@
 name: tt-workflow
 description: A Helm chart for XOS's "tt-workflow"
 icon: https://guide.opencord.org/logos/cord.svg
-version: 0.1.1-dev
+version: 0.1.2-dev
 
 # xosproject/tosca-loader version
 appVersion: 1.3.0
diff --git a/workflows/tt-workflow/templates/_tosca.tpl b/workflows/tt-workflow/templates/_tosca.tpl
index 17603bc..0888759 100644
--- a/workflows/tt-workflow/templates/_tosca.tpl
+++ b/workflows/tt-workflow/templates/_tosca.tpl
@@ -57,3 +57,43 @@
       properties:
         constraints: '[[null, "rcord", null], [null, "volt", null], ["onos", "fabric-crossconnect", "tt-workflow-driver"], ["fabric", null, null]]'
 {{- end -}}
+
+{{- define "tt-workflow.onosTosca" -}}
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+imports:
+   - custom_types/onosapp.yaml
+   - custom_types/onosservice.yaml
+   - custom_types/serviceinstanceattribute.yaml
+
+description: Configures workflow-specific ONOS apps
+
+topology_template:
+  node_templates:
+
+    service#onos:
+      type: tosca.nodes.ONOSService
+      properties:
+          name: onos
+          must-exist: true
+
+    onos_app#olt:
+      type: tosca.nodes.ONOSApp
+      properties:
+        name: olt
+        must-exist: true
+
+    olt-config-attr:
+      type: tosca.nodes.ServiceInstanceAttribute
+      properties:
+        name: /onos/v1/configuration/org.opencord.olt.impl.Olt?preset=true
+        value: >
+          {
+            "enableDhcpOnProvisioning" : true,
+            "enableEapol" : false
+          }
+      requirements:
+        - service_instance:
+            node: onos_app#olt
+            relationship: tosca.relationships.BelongsToOne
+{{- end -}}
diff --git a/workflows/tt-workflow/templates/tosca-configmap.yaml b/workflows/tt-workflow/templates/tosca-configmap.yaml
index 10adbbb..beb18bc 100644
--- a/workflows/tt-workflow/templates/tosca-configmap.yaml
+++ b/workflows/tt-workflow/templates/tosca-configmap.yaml
@@ -21,5 +21,7 @@
 data:
   010-fixtures.yaml: |
 {{ include "tt-workflow-driver.serviceTosca"  (index .Values "tt-workflow-driver") | indent 4 }}
+  100-onos-apps.yaml: |
+{{ include "tt-workflow.onosTosca" . | indent 4 }}
   300-service-graph.yaml: |
 {{ include "tt-workflow.serviceGraphTosca" . | indent 4 }}
diff --git a/xos-profiles/seba-services/Chart.yaml b/xos-profiles/seba-services/Chart.yaml
index 1d0140f..eed0129 100644
--- a/xos-profiles/seba-services/Chart.yaml
+++ b/xos-profiles/seba-services/Chart.yaml
@@ -17,7 +17,7 @@
 name: seba-services
 description: A Helm chart for XOS's "SEBA" profile
 icon: https://guide.opencord.org/logos/cord.svg
-version: 1.2.0
+version: 1.2.1
 
 # xosproject/tosca-loader version
 appVersion: 1.3.0
diff --git a/xos-profiles/seba-services/templates/_tosca.tpl b/xos-profiles/seba-services/templates/_tosca.tpl
index e394891..712f176 100644
--- a/xos-profiles/seba-services/templates/_tosca.tpl
+++ b/xos-profiles/seba-services/templates/_tosca.tpl
@@ -121,19 +121,6 @@
             node: onos_app#kafka
             relationship: tosca.relationships.BelongsToOne
 
-    olt-config-attr:
-      type: tosca.nodes.ServiceInstanceAttribute
-      properties:
-        name: /onos/v1/configuration/org.opencord.olt.impl.Olt?preset=true
-        value: >
-          {
-            "enableDhcpOnProvisioning" : true
-          }
-      requirements:
-        - service_instance:
-            node: onos_app#olt
-            relationship: tosca.relationships.BelongsToOne
-
     sadis-config-attr:
       type: tosca.nodes.ServiceInstanceAttribute
       properties: