diff --git a/charts/node-red/Chart.yaml b/charts/node-red/Chart.yaml
index 149bdb55..769979a0 100644
--- a/charts/node-red/Chart.yaml
+++ b/charts/node-red/Chart.yaml
@@ -9,7 +9,7 @@ icon: https://nodered.org/about/resources/media/node-red-icon-2.png
 
 type: application
 
-version: 0.21.3
+version: 0.22.0
 appVersion: 3.0.2
 
 keywords:
@@ -29,7 +29,7 @@ maintainers:
 annotations:
   artifacthub.io/containsSecurityUpdates: "false"
   artifacthub.io/changes: |
-    - remove replicas from values.yaml
+    - add option for custom content in npmrc file
   artifacthub.io/images: |
     - name: node-red
       image: docker.io/nodered/node-red:3.0.2
diff --git a/charts/node-red/README.md b/charts/node-red/README.md
index 720b4e4e..d1761b00 100644
--- a/charts/node-red/README.md
+++ b/charts/node-red/README.md
@@ -1,6 +1,6 @@
 # node-red ⚙
 
-![Version: 0.21.3](https://img.shields.io/badge/Version-0.21.3-informational?style=for-the-badge) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=for-the-badge) ![AppVersion: 3.0.2](https://img.shields.io/badge/AppVersion-3.0.2-informational?style=for-the-badge)
+![Version: 0.22.0](https://img.shields.io/badge/Version-0.22.0-informational?style=for-the-badge) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=for-the-badge) ![AppVersion: 3.0.2](https://img.shields.io/badge/AppVersion-3.0.2-informational?style=for-the-badge)
 
 [![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/node-red&style=for-the-badge)](https://artifacthub.io/packages/search?repo=node-red)
 [![SIT](https://img.shields.io/badge/SIT-awesome-blueviolet.svg?style=for-the-badge)](https://jobs.schwarz)
@@ -16,7 +16,7 @@ A Helm chart for Node-Red, a low-code programming for event-driven applications
 To install the chart using the OCI artifact, run:
 
 ```bash
-helm install node-red oci://ghcr.io/schwarzit/charts/node-red --version 0.21.3
+helm install node-red oci://ghcr.io/schwarzit/charts/node-red --version 0.22.0
 ```
 
 ## Usage
@@ -32,7 +32,7 @@ helm repo update
 To install the chart with the release name node-red run:
 
 ```bash
-helm install node-red node-red/node-red --version 0.21.3
+helm install node-red node-red/node-red --version 0.22.0
 ```
 
 After a few seconds, node-red should be running.
@@ -93,6 +93,7 @@ The command removes all the Kubernetes components associated with the chart and
 | metrics.serviceMonitor.selector | object | `{}` | Prometheus ServiceMonitor selector |
 | nameOverride | string | `""` | Provide a name in place of node-red |
 | nodeSelector | object | `{}` | Node selector |
+| npmrc.content | string | `"# Custom npmrc config\n"` | Configuration to add custom npmrc config |
 | npmrc.enabled | bool | `false` | Enable custom npmrc config |
 | npmrc.registry | string | `"https://registry.npmjs.org"` | Configuration to use any compatible registry |
 | persistence.accessMode | string | `"ReadWriteOnce"` | Persistence access mode |
diff --git a/charts/node-red/templates/npmrc-cm.yaml b/charts/node-red/templates/npmrc-cm.yaml
index 05d1ac11..1a2cc0d6 100644
--- a/charts/node-red/templates/npmrc-cm.yaml
+++ b/charts/node-red/templates/npmrc-cm.yaml
@@ -5,5 +5,10 @@ metadata:
   name: {{ include "node-red.configMapName" . }}
 data:
   npmrc: |
+{{- if .Values.npmrc.registry }}
     registry={{ .Values.npmrc.registry }}
-{{- end -}}
\ No newline at end of file
+{{- end }}
+{{- if .Values.npmrc.content }}
+    {{- .Values.npmrc.content | nindent 4 }}
+{{- end }}
+{{- end -}}
diff --git a/charts/node-red/values.yaml b/charts/node-red/values.yaml
index 01bd61a5..13991036 100644
--- a/charts/node-red/values.yaml
+++ b/charts/node-red/values.yaml
@@ -28,6 +28,9 @@ npmrc:
   enabled: false
   # -- Configuration to use any compatible registry
   registry: "https://registry.npmjs.org"
+  # -- Configuration to add custom npmrc config
+  content: |
+    # Custom npmrc config
 
 # -- node-red env, see more environment variables in the [node-red documentation](https://nodered.org/docs/getting-started/docker)
 env: []