diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index 9343a7c..4b30588 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: 2.3.11
+version: 2.3.12
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"
diff --git a/voltha-adapter-openonu/templates/openonu-py-statefulset.yaml b/voltha-adapter-openonu/templates/openonu-py-statefulset.yaml
index adf3ca4..0c3833b 100644
--- a/voltha-adapter-openonu/templates/openonu-py-statefulset.yaml
+++ b/voltha-adapter-openonu/templates/openonu-py-statefulset.yaml
@@ -85,7 +85,8 @@
               --probe=:8080
               --log_level={{ tpl .Values.adapter_open_onu.log_level . | upper }}
               --totalReplicas={{ .Values.replicas.adapter_open_onu }}
-              --currentReplica=$REPLICA_ID"
+              --currentReplica=$REPLICA_ID
+              --accept_incremental_evto_update={{ tpl .Values.adapter_open_onu.incremental_evto_update . }}"
         {{- if .Values.securityContext.enabled }}
         securityContext:
           allowPrivilegeEscalation: false
diff --git a/voltha-adapter-openonu/values.yaml b/voltha-adapter-openonu/values.yaml
index a614794..4558ddf 100644
--- a/voltha-adapter-openonu/values.yaml
+++ b/voltha-adapter-openonu/values.yaml
@@ -24,6 +24,7 @@
   image_tag: ~
   image_org: "voltha/"
   image_pullPolicy: "Always"
+  incremental_evto_update: False
   topics:
     core_topic: "rwcore"
     adapter_open_onu_topic: "brcm_openomci_onu"
@@ -57,6 +58,7 @@
 
 adapter_open_onu:
   log_level: '{{ .Values.defaults.log_level }}'
+  incremental_evto_update: '{{ .Values.defaults.incremental_evto_update }}'
 
 images:
   adapter_open_onu: