diff --git a/wikijs/Chart.yaml b/wikijs/Chart.yaml
index f964268..6519ba0 100644
--- a/wikijs/Chart.yaml
+++ b/wikijs/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: wikijs
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
-version: 2.1.0
+version: 2.2.0
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application.
 AppVersion: 2.5.170
@@ -25,7 +25,7 @@ keywords:
 type: application
 dependencies:
   - name: postgresql
-    version: 8.10.14
+    version: 10.2.5
     repository: https://charts.bitnami.com/bitnami
     condition: postgresql.enabled
 home: https://wiki.js.org
diff --git a/wikijs/charts/postgresql-10.2.5.tgz b/wikijs/charts/postgresql-10.2.5.tgz
new file mode 100644
index 0000000..db37f76
Binary files /dev/null and b/wikijs/charts/postgresql-10.2.5.tgz differ
diff --git a/wikijs/charts/postgresql-6.5.0.tgz b/wikijs/charts/postgresql-6.5.0.tgz
deleted file mode 100644
index acc7996..0000000
Binary files a/wikijs/charts/postgresql-6.5.0.tgz and /dev/null differ
diff --git a/wikijs/templates/deployment.yaml b/wikijs/templates/deployment.yaml
index 2e342c3..f02598d 100644
--- a/wikijs/templates/deployment.yaml
+++ b/wikijs/templates/deployment.yaml
@@ -40,7 +40,7 @@ spec:
               value: {{ default "wiki" .Values.postgresql.postgresqlDatabase }}
             {{- if .Values.postgresql.enabled }}
             - name: DB_USER
-              value: {{ default "wiki" .Values.postgresql.postgresqlUser }}
+              value: {{ default "wiki" .Values.postgresql.postgresqlUsername }}
             - name: DB_PASS
               valueFrom:
                 secretKeyRef:
@@ -52,7 +52,7 @@ spec:
                   key: {{ template "wiki.postgresql.secretKey" . }}
             {{- else }}
             - name: DB_USER
-              value: {{ default "wiki" .Values.postgresql.postgresqlUser }}
+              value: {{ default "wiki" .Values.postgresql.postgresqlUsername }}
             - name: DB_PASS
               value: {{ default "wiki" .Values.postgresql.postgresqlPassword }}
             {{- end }}
diff --git a/wikijs/values.yaml b/wikijs/values.yaml
index efa00a5..7b1933f 100644
--- a/wikijs/values.yaml
+++ b/wikijs/values.yaml
@@ -73,46 +73,17 @@ tolerations: []
 
 affinity: {}
 
-## Configuration values for the postgresql dependency.
-## ref: https://github.com/kubernetes/charts/blob/master/stable/postgresql/README.md
-##
+# Enabled postgres
+# ... for more options see https://github.com/bitnami/charts/tree/master/bitnami/postgresql
 postgresql:
-  ## Use the PostgreSQL chart dependency.
-  ## Set to false if bringing your own PostgreSQL, and set secret value postgresql-uri.
-  ##
+  # Set false for external PostgreSQL
   enabled: true
-  ## PostgreSQL fullname Override
-  ## Default to wiki-postgresql unless fullname override is set for Chart
-  ##
-  fullnameOverride: ""
-  ## PostgreSQL User to create.
-  ##
-  postgresqlUser: postgres
-  ## PostgreSQL Database to create.
-  ##
   postgresqlDatabase: wiki
-  ## Persistent Volume Storage configuration.
-  ## ref: https://kubernetes.io/docs/user-guide/persistent-volumes
-  ##
-  replication:
-    ## Enable PostgreSQL replication (primary/secondary)
-    ##
-    enabled: false
+  #
+  # Set for external PostgreSQL host
+  # postgresqlHost: postgresql
+  #postgresqlUsername: postgres
+  #postgresqlPassword: wiki
   persistence:
-    ## Enable PostgreSQL persistence using Persistent Volume Claims.
-    ##
-    enabled: true
-    ## concourse data Persistent Volume Storage Class
-    ## If defined, storageClassName: <storageClass>
-    ## If set to "-", storageClassName: "", which disables dynamic provisioning
-    ## If undefined (the default) or set to null, no storageClassName spec is
-    ##   set, choosing the default provisioner.  (gp2 on AWS, standard on
-    ##   GKE, AWS & OpenStack)
-    ##
-    # storageClass: "-"
-    ## Persistent Volume Access Mode.
-    ##
-    accessMode: ReadWriteOnce
-    ## Persistent Volume Storage Size.
-    ##
-    size: 8Gi
+    enabled: false
+    # storageClass: ""