diff --git a/README.md b/README.md
index 972b9d39..2749a53b 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@ for more in-depth information.
 | [common](charts/common) | Common chartbuilding components ... | ![Version: 0.x](https://img.shields.io/badge/version-0.x-brightgreen) |  ![App version: 0.x](https://img.shields.io/badge/app%20version-0.x-brightgreen) |
 | [csi-secret-provider-class](charts/csi-secret-provider-class) | A Helm chart to create a SecretP... | ![Version: 0.x](https://img.shields.io/badge/version-0.x-brightgreen) |  ![App version: 0.x](https://img.shields.io/badge/app%20version-0.x-brightgreen) |
 | [customer-center](charts/customer-center) | Chart for Customer-Center applic... | ![Version: 0.x](https://img.shields.io/badge/version-0.x-brightgreen) |  ![App version: 3.3.x](https://img.shields.io/badge/app%20version-3.3.x-brightgreen) |
-| [kubernetes-etcd-backup](charts/kubernetes-etcd-backup) | Chart for kubernetes-etcd-backup... | ![Version: 1.2.x](https://img.shields.io/badge/version-1.2.x-brightgreen) |  ![App version: 1.0.x](https://img.shields.io/badge/app%20version-1.0.x-brightgreen) |
+| [kubernetes-etcd-backup](charts/kubernetes-etcd-backup) | Chart for kubernetes-etcd-backup... | ![Version: 1.3.x](https://img.shields.io/badge/version-1.3.x-brightgreen) |  ![App version: 1.0.x](https://img.shields.io/badge/app%20version-1.0.x-brightgreen) |
 | [mopsos](charts/mopsos) | Deploy Mopsos to a Kubernetes Cl... | ![Version: 0.x](https://img.shields.io/badge/version-0.x-brightgreen) |  ![App version: 0.x](https://img.shields.io/badge/app%20version-0.x-brightgreen) |
 | [openshift-etcd-backup](charts/openshift-etcd-backup) | Chart for openshift-etcd-backup ... | ![Version: 1.8.x](https://img.shields.io/badge/version-1.8.x-brightgreen) |  ![App version: 1.8.x](https://img.shields.io/badge/app%20version-1.8.x-brightgreen) |
 | [osschallenge](charts/osschallenge) | Chart for OSS-Challenge application | ![Version: 0.x](https://img.shields.io/badge/version-0.x-brightgreen) |  ![App version: ed.x](https://img.shields.io/badge/app%20version-ed.x-brightgreen) |
diff --git a/charts/kubernetes-etcd-backup/Chart.yaml b/charts/kubernetes-etcd-backup/Chart.yaml
index 2d5dbe45..37b04bc4 100644
--- a/charts/kubernetes-etcd-backup/Chart.yaml
+++ b/charts/kubernetes-etcd-backup/Chart.yaml
@@ -3,7 +3,7 @@ apiVersion: v2
 name: kubernetes-etcd-backup
 description: Chart for kubernetes-etcd-backup solution
 type: application
-version: 1.2.0
+version: 1.3.0
 appVersion: v1.0.6
 keywords:
   - kubernetes-etcd-backup
@@ -20,4 +20,4 @@ maintainers:
 annotations:
   artifacthub.io/changes: |
     - kind: changed
-      description: "Allow configuration of extraVolume/Mounts"
+      description: "Add insecureSkipTlsVerify flag"
diff --git a/charts/kubernetes-etcd-backup/README.md b/charts/kubernetes-etcd-backup/README.md
index f4b265e5..67d54d50 100644
--- a/charts/kubernetes-etcd-backup/README.md
+++ b/charts/kubernetes-etcd-backup/README.md
@@ -1,6 +1,6 @@
 # kubernetes-etcd-backup
 
-![Version: 1.2.0](https://img.shields.io/badge/Version-1.2.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v1.0.6](https://img.shields.io/badge/AppVersion-v1.0.6-informational?style=flat-square)
+![Version: 1.3.0](https://img.shields.io/badge/Version-1.3.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v1.0.6](https://img.shields.io/badge/AppVersion-v1.0.6-informational?style=flat-square)
 
 Chart for kubernetes-etcd-backup solution
 
@@ -27,7 +27,8 @@ This chart is maintained by [Adfinis](https://adfinis.com/?pk_campaign=github&pk
 | backup.umask | string | `"0027"` | Set umask during the backup |
 | etcdCertification.etcdPeerTlsName | string | `"changeme"` | etcd-peer-tls secret name |
 | etcdCertification.etcdServerCaName | string | `"changeme"` | etcd-server-ca secret name |
-| etcdConfiguration.endpoint | string | `"changeme"` | Etcd endpoint ip or hostname without protocol or port |
+| etcdConfiguration.endpoint | string | `"changeme"` | Etcd endpoint ip or hostname without protocol or port Example: etcd.kube-system.svc.cluster.local |
+| etcdConfiguration.insecureSkipTlsVerify | bool | `false` | Skip server certificate verification Useful for scenarios where etcd nodes are external endpoints (access through etcd service in kube-system namespace) and have a different CN/SAN in the certificate . Otherwise, "failed to verify certificate: x509: certificate is valid for etcd-2, etc., not etcd.kube-system.svc.cluster.local" |
 | extraVolumeMounts | list | `[]` |  |
 | extraVolumes | list | `[]` |  |
 | fullnameOverride | string | `""` |  |
diff --git a/charts/kubernetes-etcd-backup/templates/configmap.yaml b/charts/kubernetes-etcd-backup/templates/configmap.yaml
index 932f76ab..10809a27 100644
--- a/charts/kubernetes-etcd-backup/templates/configmap.yaml
+++ b/charts/kubernetes-etcd-backup/templates/configmap.yaml
@@ -12,3 +12,6 @@ data:
   ETCD_BACKUP_KEEP_COUNT: {{ .Values.backup.keepcount | quote }}
   ETCD_BACKUP_UMASK: {{ .Values.backup.umask | quote }}
   ENDPOINT: {{ .Values.etcdConfiguration.endpoint | quote }}
+  {{- if .Values.etcdConfiguration.insecureSkipTlsVerify }}
+  ETCDCTL_INSECURE_SKIP_TLS_VERIFY: "true"
+  {{- end }}
diff --git a/charts/kubernetes-etcd-backup/values.yaml b/charts/kubernetes-etcd-backup/values.yaml
index 474b305d..5d5f44d6 100644
--- a/charts/kubernetes-etcd-backup/values.yaml
+++ b/charts/kubernetes-etcd-backup/values.yaml
@@ -22,7 +22,15 @@ backup:
 
 etcdConfiguration:
   # -- Etcd endpoint ip or hostname without protocol or port
+  # Example: etcd.kube-system.svc.cluster.local
   endpoint: "changeme"
+  # -- Skip server certificate verification
+  # Useful for scenarios where etcd nodes are external endpoints (access
+  # through etcd service in kube-system namespace) and have a different CN/SAN
+  # in the certificate . Otherwise, "failed to verify certificate: x509:
+  # certificate is valid for etcd-2, etc., not
+  # etcd.kube-system.svc.cluster.local"
+  insecureSkipTlsVerify: false
 
 etcdCertification:
   # -- etcd-peer-tls secret name