diff --git a/charts/graylog/Chart.yaml b/charts/graylog/Chart.yaml
index 0548309..a742f65 100755
--- a/charts/graylog/Chart.yaml
+++ b/charts/graylog/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: graylog
 home: https://www.graylog.org
-version: 2.3.8
+version: 2.3.9
 appVersion: 5.2.6
 description: Graylog is the centralized log management solution built to open
   standards for capturing, storing, and enabling real-time analysis of terabytes
diff --git a/charts/graylog/README.md b/charts/graylog/README.md
index 8a85b20..4a71aa7 100644
--- a/charts/graylog/README.md
+++ b/charts/graylog/README.md
@@ -213,6 +213,7 @@ The following table lists the configurable parameters of the Graylog chart and t
 | `graylog.sidecarContainers`                       | Sidecar containers to run in the server statefulset                                                                                             | `[]`                              |
 | `graylog.extraVolumeMounts`                       | Additional Volume mounts                                                                                                                        | `[]`                              |
 | `graylog.extraVolumes`                            | Additional Volumes                                                                                                                              | `[]`                              |
+| `graylog.extraVolumeClaimTemplates`               | Additional Volume claim templates                                                                                                               | `[]`                              |
 | `graylog.extraInitContainers`                     | Additional Init containers                                                                                                                      | `[]`                              |
 | `graylog.secret.annotations`                      | Graylog Secret annotations                                                                                                                      | `{}`                              |
 | `rbac.create`                                     | If true, create & use RBAC resources                                                                                                            | `true`                            |
diff --git a/charts/graylog/templates/statefulset.yaml b/charts/graylog/templates/statefulset.yaml
index 814ebb6..a76b803 100644
--- a/charts/graylog/templates/statefulset.yaml
+++ b/charts/graylog/templates/statefulset.yaml
@@ -264,8 +264,10 @@ spec:
 {{- if not .Values.graylog.persistence.enabled }}
         - name: journal
           emptyDir: {}
-{{- else }}
+{{- end }}
+{{- if or .Values.graylog.persistence.enabled .Values.graylog.extraVolumeClaimTemplates }}
   volumeClaimTemplates:
+    {{- if .Values.graylog.persistence.enabled }}
     - metadata:
         name: journal
       spec:
@@ -281,4 +283,8 @@ spec:
         resources:
           requests:
             storage: "{{ .Values.graylog.persistence.size }}"
+    {{- end }}
+    {{- if .Values.graylog.extraVolumeClaimTemplates }}
+    {{ toYaml .Values.graylog.extraVolumeClaimTemplates | nindent 4 }}
+    {{- end }}
 {{- end }}
diff --git a/charts/graylog/values.yaml b/charts/graylog/values.yaml
index 7520815..7d95bdf 100644
--- a/charts/graylog/values.yaml
+++ b/charts/graylog/values.yaml
@@ -192,6 +192,10 @@ graylog:
   ##
   extraVolumes: []
 
+  ## Additional volume claim templates
+  ##
+  extraVolumeClaimTemplates: []
+
   ## A service for Graylog web interface
   ##
   service: