diff --git a/charts/mainflux/README.md b/charts/mainflux/README.md
index 84c00ead..6ab30b39 100644
--- a/charts/mainflux/README.md
+++ b/charts/mainflux/README.md
@@ -15,18 +15,21 @@ Helm Chart for the Mainflux IoT Platform
 
 The following table lists the configurable parameters and their default values.
 
-| Parameter                              | Description                                                                | Default        |
-| -------------------------------------- | -------------------------------------------------------------------------- | -------------- |
-| `defaults.logLevel`                    | Log level                                                                  | `debug`        |
-| `defaults.image.pullPolicy`            | Docker Image Pull Policy                                                   | `IfNotPresent` |
-| `defaults.image.repository`            | Docker Image Repository                                                    | `mainflux`     |
-| `defaults.image.tag`                   | Docker Image Tag                                                           | `0.10.0`        |
-| `nginx_internal.mtls.tls`              | TLS secret which contains the server cert/key                              | `''`           |
-| `nginx_internal.mtls.intermediate_crt` | Generic secret which contains the intermediate cert used to verify clients | `''`           |
-| `ingress.enabled`                      | Should the Nginx Ingress be created                                        | `true`         |
-| `ingress.hostname`                     | Hostname for the Nginx Ingress                                             | `''`           |
-| `ingress.tls.hostname`                 | Hostname of the Nginx Ingress certificate                                  | `''`           |
-| `ingress.tls.secret`                   | TLS secret for the Nginx Ingress                                           | `''`           |
+| Parameter                            | Description                                                                | Default      |
+| ------------------------------------ | -------------------------------------------------------------------------- | ------------ |
+| defaults.logLevel                    | Log level                                                                  | debug        |
+| defaults.image.pullPolicy            | Docker Image Pull Policy                                                   | IfNotPresent |
+| defaults.image.repository            | Docker Image Repository                                                    | mainflux     |
+| defaults.image.tag                   | Docker Image Tag                                                           | 0.10.0       |
+| defaults.replicaCount                | Replicas of MQTT adapter, Things, Envoy and Authn                          | 3            |
+| nginx_internal.mtls.tls              | TLS secret which contains the server cert/key                              |              |
+| nginx_internal.mtls.intermediate_crt | Generic secret which contains the intermediate cert used to verify clients |              |
+| ingress.enabled                      | Should the Nginx Ingress be created                                        | true         |
+| ingress.hostname                     | Hostname for the Nginx Ingress                                             |              |
+| ingress.tls.hostname                 | Hostname of the Nginx Ingress certificate                                  |              |
+| ingress.tls.secret                   | TLS secret for the Nginx Ingress                                           |              |
+| nats.maxPayload                      | Maximum payload size in bytes that the NATS server will accept             | 268435456    |
+| nats.replicaCount                    | NATS replicas                                                              | 3            |
 
 All Mainflux services can have their `logLevel`, `image.pullPolicy`, `image.repository` and `image.tag` overridden. The names of the services are:
 
@@ -41,4 +44,6 @@ All Mainflux services can have their `logLevel`, `image.pullPolicy`, `image.repo
 - influxdb_writer
 - infuxdb_reader
 
+By default scale of MQTT adapter, Things, Envoy, Authn and NATS will be set to 3. It's recommended that you set this values to number of your nodes in Kubernetes cluster, i.e. `--set defaults.replicaCount=3 --set nats.replicaCount=3`
+
 **Note:** make sure you run `helm install` with `--dependency-update` flag!
diff --git a/charts/mainflux/templates/adapter_mqtt-deployment.yaml b/charts/mainflux/templates/adapter_mqtt-deployment.yaml
index d10a152f..7adaa815 100644
--- a/charts/mainflux/templates/adapter_mqtt-deployment.yaml
+++ b/charts/mainflux/templates/adapter_mqtt-deployment.yaml
@@ -203,6 +203,7 @@ kind: StatefulSet
 metadata:
   name: {{ .Release.Name }}-adapter-mqtt
 spec:
+  replicas: {{ .Values.defaults.replicaCount }}
   serviceName: {{ .Release.Name }}-adapter-mqtt
   selector:
     matchLabels:
diff --git a/charts/mainflux/templates/authn-deployment.yaml b/charts/mainflux/templates/authn-deployment.yaml
index 863a7908..761d8a47 100644
--- a/charts/mainflux/templates/authn-deployment.yaml
+++ b/charts/mainflux/templates/authn-deployment.yaml
@@ -6,6 +6,7 @@ kind: Deployment
 metadata:
   name: {{ .Release.Name }}-authn
 spec:
+  replicas: {{ .Values.defaults.replicaCount }}
   selector:
     matchLabels:
       app: {{ .Release.Name }}
diff --git a/charts/mainflux/templates/envoy.yaml b/charts/mainflux/templates/envoy.yaml
index 330f2f1d..b95fd2ea 100644
--- a/charts/mainflux/templates/envoy.yaml
+++ b/charts/mainflux/templates/envoy.yaml
@@ -101,6 +101,7 @@ kind: Deployment
 metadata:
   name: {{ .Release.Name }}-envoy
 spec:
+  replicas: {{ .Values.defaults.replicaCount }}
   selector:
     matchLabels:
       app: {{ .Release.Name }}
diff --git a/charts/mainflux/templates/things-deployment.yaml b/charts/mainflux/templates/things-deployment.yaml
index 768ce082..45e57937 100644
--- a/charts/mainflux/templates/things-deployment.yaml
+++ b/charts/mainflux/templates/things-deployment.yaml
@@ -6,6 +6,7 @@ kind: Deployment
 metadata:
   name: {{ .Release.Name }}-things
 spec:
+  replicas: {{ .Values.defaults.replicaCount }}
   selector:
     matchLabels:
       app: {{ .Release.Name }}
diff --git a/charts/mainflux/values.yaml b/charts/mainflux/values.yaml
index 0246be46..795665b7 100644
--- a/charts/mainflux/values.yaml
+++ b/charts/mainflux/values.yaml
@@ -7,6 +7,8 @@ defaults:
     pullPolicy: "IfNotPresent"
     repository: "mainflux"
     tag: "0.10.0"
+  # Replicas of MQTT adapter, NATS, Things, Envoy and Authn
+  replicaCount: 3
 
 ingress:
   enabled: true
@@ -82,6 +84,7 @@ nats:
   clusterAuth:
     enabled: false
   maxPayload: 268435456
+  replicaCount: 3
 
 postgresql-users:
   name: postgresql-users