diff --git a/charts/doccano/Chart.yaml b/charts/doccano/Chart.yaml
index e3fe740..39fe5b2 100644
--- a/charts/doccano/Chart.yaml
+++ b/charts/doccano/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: doccano
 appVersion: 1.2.2
-version: 1.3.5
+version: 1.3.6
 description: A Helm chart for doccano, Open source text annotation tool for machine learning practitioner.
 home: https://doccano.herokuapp.com/
 icon: https://raw.githubusercontent.com/doccano/doccano/master/docs/images/logo/doccano.png
diff --git a/charts/doccano/templates/deployment.yaml b/charts/doccano/templates/deployment.yaml
index b54b3e4..eb77203 100644
--- a/charts/doccano/templates/deployment.yaml
+++ b/charts/doccano/templates/deployment.yaml
@@ -46,9 +46,20 @@ spec:
         volumeMounts:
         - mountPath: {{ .Values.persistence.mountPath }}
           name: {{ .Values.persistence.volumeName }}
-      {{- if .Values.image.deployRegistry }}
-      imagePullSecrets:
-      - name: "{{ .Values.image.name }}-{{ .Values.image.imagePullSecrets }}"
+      {{- if .Values.dump.enabled }}
+      - name: {{ .Chart.Name }}-dump
+        image: {{ .Values.dump.image }}
+        imagePullPolicy: Always
+        {{- with .Values.dump.env }}
+        env:
+{{ toYaml . | indent 8 }}
+        {{- end }}
+        volumeMounts:
+        - mountPath: {{ .Values.dump.mountPath }}
+          name: {{ .Values.persistence.volumeName }}
+          readOnly: true
+        - mountPath: /nfs
+          name: nfs-dump
       {{- end }}
       initContainers:
       - args:
@@ -65,3 +76,12 @@ spec:
       - name: {{ .Values.persistence.volumeName }}
         persistentVolumeClaim:
           claimName: "{{ .Release.Name }}-{{ .Values.persistence.volumeName }}"
+      {{- if .Values.dump.enabled }}
+      - hostPath:
+          path: {{ .Values.dump.nfsPath }}
+        name: nfs-dump
+      {{- end }}
+      {{- if .Values.image.deployRegistry }}
+      imagePullSecrets:
+      - name: "{{ .Values.image.name }}-{{ .Values.image.imagePullSecrets }}"
+      {{- end }}
diff --git a/charts/doccano/values.yaml b/charts/doccano/values.yaml
index 5c284ff..8529b7e 100644
--- a/charts/doccano/values.yaml
+++ b/charts/doccano/values.yaml
@@ -39,3 +39,9 @@ persistence:
   replicas: "1"
   volumeName: "data"
   mountPath: /data
+
+  annotations:
+    helm.sh/resource-policy: keep
+
+dump:
+  enabled: false