diff --git a/voltha/values.yaml b/voltha/values.yaml
index e7e5879..6fa6fcc 100644
--- a/voltha/values.yaml
+++ b/voltha/values.yaml
@@ -80,6 +80,7 @@
   timeout_long_request: '{{ .Values.global.rw_core.timeout }}'
   timeout_request: '{{ .Values.global.rw_core.timeout }}'
   kv_store_data_prefix: 'service/{{ .Values.global.stack_name }}_voltha'
+  stack_id: "{{ .Values.global.stack_name }}"
   topics:
     core_topic: "{{ .Values.global.stack_name }}_rwcore"
 
@@ -97,7 +98,7 @@
   rw_core:
     registry: '{{ .Values.global.image_registry }}'
     repository: '{{ .Values.global.image_org }}voltha-rw-core'
-    tag: '{{- if hasKey .Values.global "image_tag" }}{{- if .Values.global.image_tag }}{{ .Values.global.image_tag }}{{- else }}2.7.0{{- end }}{{- else }}2.7.0{{- end }}'
+    tag: '{{- if hasKey .Values.global "image_tag" }}{{- if .Values.global.image_tag }}{{ .Values.global.image_tag }}{{- else }}2.8.1{{- end }}{{- else }}2.8.1{{- end }}'
     pullPolicy: '{{ .Values.global.image_pullPolicy }}'
 
 ingress: