diff --git a/charts/headwind-mdm/Chart.yaml b/charts/headwind-mdm/Chart.yaml
index 093ad1d8..ec259f65 100644
--- a/charts/headwind-mdm/Chart.yaml
+++ b/charts/headwind-mdm/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: headwind-mdm
 description: Headwind MDM - an open source mobile device management software for Android
 type: application
-version: 1.8.0
+version: 1.9.0
 appVersion: "0.1.2"
 home: https://github.com/christianknell/helm-charts
 icon: https://h-mdm.com/wp-content/uploads/2019/07/neew-logo.png
@@ -16,12 +16,14 @@ sources:
 dependencies:
   - name: postgresql
     repository: https://charts.bitnami.com/bitnami
-    version: 12.10.0
+    version: 12.12.10
     condition: postgresql.enabled
 annotations:
   artifacthub.io/changes: |
     - kind: changed
-      description: bumped dependency of postgresql to chart version 12.10.0
+      description: bumped dependency of postgresql to chart version 12.12.10
+    - kind: fixed
+      description: wrong template name for postgresql dependency
   artifacthub.io/screenshots: |
     - title: Headwind MDM is a powerful Open Source platform to manage your Enterprise Android Devices.
       url: https://images.wondershare.com/drfone/article/2022/11/opensource-mdm-3.jpg
diff --git a/charts/headwind-mdm/templates/_helpers.tpl b/charts/headwind-mdm/templates/_helpers.tpl
index 60f5fc12..44450296 100644
--- a/charts/headwind-mdm/templates/_helpers.tpl
+++ b/charts/headwind-mdm/templates/_helpers.tpl
@@ -66,7 +66,7 @@ Return the hostname of the postgresql to use
 */}}
 {{- define "headwind-mdm.postgresql.hostname" -}}
   {{- if .Values.postgresql.enabled -}}
-    {{- printf "%s" (include "postgresql.primary.fullname" .Subcharts.postgresql) -}}
+    {{- printf "%s" (include "postgresql.v1.primary.fullname" .Subcharts.postgresql) -}}
   {{- else -}}
     {{- printf "%s" (tpl .Values.externalPostgresql.hostname $) -}}
   {{- end -}}
@@ -77,7 +77,7 @@ Return postgresql service port
 */}}
 {{- define "headwind-mdm.postgresql.port" -}}
   {{- if .Values.postgresql.enabled -}}
-    {{- printf "%s" (include "postgresql.service.port" .Subcharts.postgresql) -}}
+    {{- printf "%s" (include "postgresql.v1.service.port" .Subcharts.postgresql) -}}
   {{- else -}}
     {{- printf "%s" (tpl (toString .Values.externalPostgresql.port) $) -}}
   {{- end -}}
@@ -88,7 +88,7 @@ Return the name for the database to use
 */}}
 {{- define "headwind-mdm.postgresql.database" -}}
   {{- if .Values.postgresql.enabled -}}
-    {{- printf "%s" (include "postgresql.database" .Subcharts.postgresql) -}}
+    {{- printf "%s" (include "postgresql.v1.database" .Subcharts.postgresql) -}}
   {{- else -}}
     {{- printf "%s" (tpl .Values.externalPostgresql.auth.database $) -}}
   {{- end -}}
@@ -99,7 +99,7 @@ Return the name for the user to use
 */}}
 {{- define "headwind-mdm.postgresql.username" -}}
   {{- if .Values.postgresql.enabled -}}
-    {{- printf "%s" (include "postgresql.username" .Subcharts.postgresql) -}}
+    {{- printf "%s" (include "postgresql.v1.username" .Subcharts.postgresql) -}}
   {{- else -}}
     {{- printf "%s" (tpl .Values.externalPostgresql.auth.username $) -}}
   {{- end -}}
@@ -110,7 +110,7 @@ Get the name of the secret containing the postgresql user password
 */}}
 {{- define "headwind-mdm.postgresql.secretName" -}}
   {{- if .Values.postgresql.enabled -}}
-    {{- printf "%s" (include "postgresql.secretName" .Subcharts.postgresql) -}}
+    {{- printf "%s" (include "postgresql.v1.secretName" .Subcharts.postgresql) -}}
   {{- else if .Values.externalPostgresql.auth.existingSecret -}}
     {{- printf "%s" (tpl .Values.externalPostgresql.auth.existingSecret $) -}}
   {{- else -}}
@@ -123,7 +123,7 @@ Get the user-password key for the postgresql user password
 */}}
 {{- define "headwind-mdm.postgresql.userPasswordKey" -}}
   {{- if .Values.postgresql.enabled -}}
-    {{- printf "%s" (include "postgresql.userPasswordKey" .Subcharts.postgresql) -}}
+    {{- printf "%s" (include "postgresql.v1.userPasswordKey" .Subcharts.postgresql) -}}
   {{- else if .Values.externalPostgresql.auth.userPasswordKey -}}
     {{- printf "%s" (tpl .Values.externalPostgresql.auth.userPasswordKey $) -}}
   {{- else -}}