diff --git a/charts/backend/Chart.lock b/charts/backend/Chart.lock
index db3b74ede..55b57a388 100644
--- a/charts/backend/Chart.lock
+++ b/charts/backend/Chart.lock
@@ -2,5 +2,5 @@ dependencies:
 - name: postgresql
   repository: https://charts.bitnami.com/bitnami/
   version: 10.13.8
-digest: sha256:fdac167862faff748ce16ae4203c9b3e7b45e2d13554c38435846ab884675a7c
-generated: "2021-11-16T01:33:48.601845+02:00"
+digest: sha256:fa60fe330271c390ce3a85e83c287366d16da2a4fad2b551403863d1ad9401a2
+generated: "2021-11-30T17:27:43.075244+03:00"
diff --git a/charts/backend/Chart.yaml b/charts/backend/Chart.yaml
index 394400caf..37ac6ae32 100644
--- a/charts/backend/Chart.yaml
+++ b/charts/backend/Chart.yaml
@@ -1,8 +1,8 @@
 apiVersion: v2
 name: backend
-version: 2.0.4
+version: 2.0.5
 appVersion: v2.0.0
-kubeVersion: "^1.14.0-0"
+kubeVersion: "^1.18.0-0"
 description: The StakeWise backend application.
 type: application
 keywords:
@@ -16,6 +16,7 @@ dependencies:
   - name: postgresql
     version: 10.13.8
     repository: https://charts.bitnami.com/bitnami/
+    condition: postgresql.enabled
 maintainers:
   - name: Dmitri Tsumak
     email: dmitri@stakewise.io
diff --git a/charts/backend/templates/common-secret.yaml b/charts/backend/templates/common-secret.yaml
index ddee3668e..5835e10c5 100644
--- a/charts/backend/templates/common-secret.yaml
+++ b/charts/backend/templates/common-secret.yaml
@@ -8,10 +8,8 @@ metadata:
 type: Opaque
 data:
   SECRET_KEY: {{ .Values.commonConf.secretKey | b64enc | quote }}
-  {{- $relname := .Release.Name -}}
-  {{- $relnamespace := .Release.Namespace -}}
   {{- with .Values.postgresql }}
-  DATABASE_URL: {{ printf "postgres://%s:%s@%s-postgresql.%s.svc.cluster.local:%g/%s" .postgresqlUsername .postgresqlPassword $relname $relnamespace .service.port .postgresqlDatabase | b64enc | quote }}
+  DATABASE_URL: {{ printf "postgres://%s:%s@%s:%g/%s" .postgresqlUsername .postgresqlPassword .postgresqlHost .postgresqlPort .postgresqlDatabase | b64enc | quote }}
   {{- end }}
   NOTIFIERS_TELEGRAM_TOKEN: {{ .Values.commonConf.telegramToken | b64enc | quote }}
   NOTIFIERS_TELEGRAM_CHAT_ID: {{ .Values.commonConf.telegramChatId | b64enc | quote }}
diff --git a/charts/backend/values.yaml b/charts/backend/values.yaml
index 05655e8df..1f29c2b17 100644
--- a/charts/backend/values.yaml
+++ b/charts/backend/values.yaml
@@ -311,6 +311,7 @@ polling:
     pollUniswapPeriod: "60"
 
 postgresql:
+  enabled: false
   volumePermissions:
     enabled: true
     image:
@@ -331,6 +332,8 @@ postgresql:
     name: postgresql
   rbac:
     create: false
+  postgresqlHost: "postgres"
+  postgresqlPort: "5432"
   postgresqlUsername: "postgres"
   postgresqlPassword: "postgres"
   usePasswordFile: true