diff --git a/helm-charts/profile/nem-att/templates/_tosca.tpl b/helm-charts/profile/nem-att/templates/_tosca.tpl
index 35d55bd..32c702c 100644
--- a/helm-charts/profile/nem-att/templates/_tosca.tpl
+++ b/helm-charts/profile/nem-att/templates/_tosca.tpl
@@ -322,12 +322,37 @@
           rest_hostname: {{ .Values.onosVolthaRestService | quote }}
           rest_port: 8181
 
+    onos_app#cord-config:
+      type: tosca.nodes.ONOSApp
+      properties:
+        name: cord-config
+        app_id: org.opencord.config
+        url: {{ .Values.cordConfigAppUrl }}
+        version: 1.4.0
+      requirements:
+        - owner:
+            node: service#ONOS_VOLTHA
+            relationship: tosca.relationships.BelongsToOne
+
     onos_app#olt:
       type: tosca.nodes.ONOSApp
       properties:
-        name: org.opencord.olt
+        name: olt
         app_id: org.opencord.olt
-        version: 1.4.1
+        url: {{ .Values.oltAppUrl }}
+        version: 2.0.0.SNAPSHOT
+      requirements:
+        - owner:
+            node: service#ONOS_VOLTHA
+            relationship: tosca.relationships.BelongsToOne
+
+    onos_app#sadis:
+      type: tosca.nodes.ONOSApp
+      properties:
+        name: sadis
+        app_id: org.opencord.sadis
+        url: {{ .Values.sadisAppUrl }}
+        version: 2.1.0
       requirements:
         - owner:
             node: service#ONOS_VOLTHA
@@ -336,9 +361,10 @@
     onos_app#dhcpl2relay:
       type: tosca.nodes.ONOSApp
       properties:
-        name: org.opencord.dhcpl2relay
+        name: dhcpl2relay
         app_id: org.opencord.dhcpl2relay
-        version: 1.4.0
+        url: {{ .Values.dhcpl2relayAppUrl }}
+        version: 1.5.0.SNAPSHOT
       requirements:
         - owner:
             node: service#ONOS_VOLTHA
@@ -347,9 +373,22 @@
     onos_app#aaa:
       type: tosca.nodes.ONOSApp
       properties:
-        name: org.opencord.aaa
+        name: aaa
         app_id: org.opencord.aaa
-        version: 1.6.0
+        url: {{ .Values.aaaAppUrl }}
+        version: 1.8.0.SNAPSHOT
+      requirements:
+        - owner:
+            node: service#ONOS_VOLTHA
+            relationship: tosca.relationships.BelongsToOne
+
+    onos_app#kafka:
+      type: tosca.nodes.ONOSApp
+      properties:
+        name: kafka
+        app_id: org.opencord.kafka
+        url: {{ .Values.kafkaAppUrl }}
+        version: 1.0.0.SNAPSHOT
       requirements:
         - owner:
             node: service#ONOS_VOLTHA
diff --git a/helm-charts/profile/nem-att/values.yaml b/helm-charts/profile/nem-att/values.yaml
index 342556c..be7e280 100644
--- a/helm-charts/profile/nem-att/values.yaml
+++ b/helm-charts/profile/nem-att/values.yaml
@@ -39,3 +39,11 @@
   kafkaService: "nem-core-kafka.default.svc.cluster.local"
 hippie-oss:
   kafkaService: "nem-core-kafka.default.svc.cluster.local"
+
+# onos-voltha applications
+cordConfigAppUrl: "https://oss.sonatype.org/service/local/repositories/releases/content/org/opencord/cord-config/1.4.0/cord-config-1.4.0.oar"
+oltAppUrl: "https://oss.sonatype.org/service/local/artifact/maven/redirect?r=snapshots&g=org.opencord&a=olt-app&v=2.0.0-SNAPSHOT&e=oar"
+sadisAppUrl: "https://oss.sonatype.org/service/local/repositories/releases/content/org/opencord/sadis-app/2.1.0/sadis-app-2.1.0.oar"
+dhcpl2relayAppUrl: "https://oss.sonatype.org/service/local/artifact/maven/redirect?r=snapshots&g=org.opencord&a=dhcpl2relay&v=1.5.0-SNAPSHOT&e=oar"
+aaaAppUrl: "https://oss.sonatype.org/service/local/artifact/maven/redirect?r=snapshots&g=org.opencord&a=aaa&v=1.8.0-SNAPSHOT&e=oar"
+kafkaAppUrl: "https://oss.sonatype.org/service/local/artifact/maven/redirect?r=snapshots&g=org.opencord&a=kafka&v=1.0.0-SNAPSHOT&e=oar"
diff --git a/helm-charts/seba-substrate/values.yaml b/helm-charts/seba-substrate/values.yaml
index 97afe1e..50bbdb3 100644
--- a/helm-charts/seba-substrate/values.yaml
+++ b/helm-charts/seba-substrate/values.yaml
@@ -36,8 +36,6 @@
   nameOverride: "onosv"
   fullnameOverride: "onos-voltha"
 
-  onosImage: 'voltha/voltha-onos:latest'
-
   services:
     openflowServiceType: ClusterIP
     ovsdbServiceType: ClusterIP