diff --git a/charts/sophora-server/Chart.yaml b/charts/sophora-server/Chart.yaml
index e0e5356..9cad05d 100644
--- a/charts/sophora-server/Chart.yaml
+++ b/charts/sophora-server/Chart.yaml
@@ -15,9 +15,9 @@ type: application
 # 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.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 1.1.1
+version: 1.2.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
-appVersion: 4.16.0
+appVersion: 4.16.3
diff --git a/charts/sophora-server/README.md b/charts/sophora-server/README.md
index b08a26d..3c5448f 100644
--- a/charts/sophora-server/README.md
+++ b/charts/sophora-server/README.md
@@ -6,7 +6,13 @@ The required secrets must be present before you install the server.
 
 Starting with Sophora 5 the archive repository is no longer available.
 To disable all archive related storage options, set `sophora.server.persistence.archiveType` to `none`.
-In later chart versions this will be the default.   
+In later chart versions this will be the default.
+
+## Postgres connection
+
+Starting with Sophora 5 the installation requires postgres. 
+You can provide the credentials via a secret: `sophora.server.persistence.postgres.secret`. 
+For all other configuration options use `sophora.server.properties`. 
 
 ## Tips for productive installations
 
diff --git a/charts/sophora-server/templates/sophora-init-configmap.yaml b/charts/sophora-server/templates/sophora-init-configmap.yaml
index 23fcd88..83a6492 100644
--- a/charts/sophora-server/templates/sophora-init-configmap.yaml
+++ b/charts/sophora-server/templates/sophora-init-configmap.yaml
@@ -26,6 +26,13 @@ data:
     sophora.remote.api.external.protocol=https
     {{- end }}
 
+    {{- if .Values.sophora.server.persistence.postgres.secret.name }}
+    # postgres authentication
+    sophora.persistence.postgres.username=${SOPHORA_PERSISTENCE_POSTGRES_USERNAME}
+    sophora.persistence.postgres.password=${SOPHORA_PERSISTENCE_POSTGRES_PASSWORD}
+    {{- end }}
+
+
     # custom config
     {{- toString (required "A valid sophora.properties configuration needs to be provided." .Values.sophora.server.properties) | nindent 4  }}
 
diff --git a/charts/sophora-server/templates/statefulset.yaml b/charts/sophora-server/templates/statefulset.yaml
index 3fabae1..3ec517c 100644
--- a/charts/sophora-server/templates/statefulset.yaml
+++ b/charts/sophora-server/templates/statefulset.yaml
@@ -73,6 +73,20 @@ spec:
             - name: EXTERNAL_HOSTS
               value: {{ range $i, $ingress := .Values.clusterReplication.ingresses }}{{ if $ingress.hosts }}{{ (index $ingress.hosts  0).host }} {{ end }}{{ end }}
             {{- end }}
+            {{- if .Values.sophora.server.persistence.postgres.secret.name }}
+            - name: SOPHORA_PERSISTENCE_POSTGRES_USERNAME
+              valueFrom:
+                secretKeyRef:
+                  key: {{ .Values.sophora.server.persistence.postgres.secret.usernameKey }}
+                  name: {{ .Values.sophora.server.persistence.postgres.secret.name }}
+                  optional: false
+            - name: SOPHORA_PERSISTENCE_POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  key: {{ .Values.sophora.server.persistence.postgres.secret.passwordKey }}
+                  name: {{ .Values.sophora.server.persistence.postgres.secret.name }}
+                  optional: false
+            {{- end }}
             {{ if .Values.configInitializer.env -}}
             {{- toYaml .Values.configInitializer.env | nindent 12 }}
             {{- end }}
diff --git a/charts/sophora-server/test-values.yaml b/charts/sophora-server/test-values.yaml
index 642151c..f886b67 100644
--- a/charts/sophora-server/test-values.yaml
+++ b/charts/sophora-server/test-values.yaml
@@ -45,17 +45,16 @@ sophora:
           storage: 200Gi
     persistence:
       repositoryType: mysql
-      archiveType: mysql
+      archiveType: none
       mysql:
         repositories:
           - secretName: repository-secret01
             hostnameKey: new-hostname
-          - secretName: repository-secret02
-          - secretName: repository-secret03
-        archives:
-          - secretName: archive-secret01
-          - secretName: archive-secret02
-          - secretName: archive-secret03
+      postgres:
+        secret:
+          name: postgres-auth
+          usernameKey: user1
+          passwordKey: pass1
     binaryStore:
       s3:
         secret:
diff --git a/charts/sophora-server/values.yaml b/charts/sophora-server/values.yaml
index 520c6a0..09108f7 100644
--- a/charts/sophora-server/values.yaml
+++ b/charts/sophora-server/values.yaml
@@ -191,6 +191,14 @@ sophora:
         ##   usernameKey:
         ##   passwordKey:
         archives: []
+
+      ## @param sophora.server.persistence.postgres postgres authentication via secret. Required for Sophora Server >5.0.0.
+      postgres:
+        secret:
+          name:
+          usernameKey: username
+          passwordKey: password
+
     binaryStore:
       s3:
         secret:
@@ -199,10 +207,10 @@ sophora:
           accessKeyIdKey: accessKeyId
 
     authentication:
-       secret:
-         name:
-         usernameKey: username
-         passwordKey: password
+      secret:
+        name:
+        usernameKey: username
+        passwordKey: password
 
     # Additional environment variables can be defined here
     env: