diff --git a/charts/opensearch/CHANGELOG.md b/charts/opensearch/CHANGELOG.md
index 89c63825..79d42e2f 100644
--- a/charts/opensearch/CHANGELOG.md
+++ b/charts/opensearch/CHANGELOG.md
@@ -14,6 +14,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 ### Security
 ---
+## [2.30.1]
+### Added
+- Added scheme for serviceMonitor and optional tlsConfig
+### Changed
+### Deprecated
+### Removed
+### Fixed
+### Security
+---
 ## [2.30.0]
 ### Added
 - Added plugins.removeList to allow remove plugins
@@ -557,8 +566,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 ### Security
 
-[Unreleased]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.30.0...HEAD
-[2.29.0]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.29.0...opensearch-2.30.0
+[Unreleased]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.30.1...HEAD
+[2.30.1]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.30.0...opensearch-2.30.1
+[2.30.0]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.29.0...opensearch-2.30.0
 [2.29.0]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.28.0...opensearch-2.29.0
 [2.28.0]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.27.1...opensearch-2.28.0
 [2.27.1]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.27.0...opensearch-2.27.1
diff --git a/charts/opensearch/Chart.yaml b/charts/opensearch/Chart.yaml
index 809a7cff..e9591d3d 100644
--- a/charts/opensearch/Chart.yaml
+++ b/charts/opensearch/Chart.yaml
@@ -15,7 +15,7 @@ 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: 2.30.0
+version: 2.30.1
 
 # 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
diff --git a/charts/opensearch/README.md b/charts/opensearch/README.md
index cb3561ed..d32292c8 100644
--- a/charts/opensearch/README.md
+++ b/charts/opensearch/README.md
@@ -132,6 +132,8 @@ helm uninstall my-release
 | `serviceMonitor.basicAuth.existingSecret` | When using basicAuth for the serviceMonitor, use an existing secret                                                                                                                                                                                                                                                                                                                                                                                                                                                                | `""`                                                                                                            |
 | `serviceMonitor.basicAuth.username`       | Username to be used for basic auth                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | `""`                                                                                                            |
 | `serviceMonitor.basicAuth.password`       | Password to be used for basic auth                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | `""`                                                                                                            |
+| `serviceMonitor.scheme`                   | scheme to be used for scraping the metrics                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | `"http"`                                                                                                        |
+| `serviceMonitor.tlsConfig`                | optional tlsConfig to be used for scraping                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | `{}`                                                                                                            |
 
 [anti-affinity]: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
 [environment from variables]: https://kubernetes.io/docs/tasks/configure-pod-container/configure-pod-configmap/#configure-all-key-value-pairs-in-a-configmap-as-container-environment-variables
diff --git a/charts/opensearch/templates/serviceMonitor.yaml b/charts/opensearch/templates/serviceMonitor.yaml
index 85bdd011..0abda693 100644
--- a/charts/opensearch/templates/serviceMonitor.yaml
+++ b/charts/opensearch/templates/serviceMonitor.yaml
@@ -17,9 +17,14 @@ spec:
   - port: {{ .Values.service.httpPortName | default "http" }}
     interval: {{ .Values.serviceMonitor.interval }}
     path: {{ .Values.serviceMonitor.path }}
+    scheme: {{ .Values.serviceMonitor.scheme }}
+    {{- with .Values.serviceMonitor.tlsConfig }}
+    tlsConfig:
+      {{- toYaml . | nindent 8 }}
+    {{- end }}
     {{- if .Values.serviceMonitor.basicAuth.enabled }}
     basicAuth:
-      username: 
+      username:
         {{- if .Values.serviceMonitor.basicAuth.existingSecret }}
         name: {{ .Values.serviceMonitor.basicAuth.existingSecret }}
         {{- else }}
diff --git a/charts/opensearch/values.yaml b/charts/opensearch/values.yaml
index 76373736..9a52b920 100644
--- a/charts/opensearch/values.yaml
+++ b/charts/opensearch/values.yaml
@@ -550,6 +550,9 @@ serviceMonitor:
   # Ensure this matches your OpenSearch service configuration.
   path: /_prometheus/metrics
 
+  # Scheme to use for scraping.
+  scheme: http
+
   # Frequency at which Prometheus will scrape metrics.
   # Adjust based on your needs.
   interval: 10s
@@ -559,6 +562,9 @@ serviceMonitor:
   #  k8s.example.com/prometheus: kube-prometheus
   labels: {}
 
+  # additional tlsConfig to be added to the ServiceMonitor
+  tlsConfig: {}
+
   # Basic Auth configuration for the service monitor
   # You can either use existingSecret, which expects a secret to be already present with data.username and data.password
   # or set the credentials over the helm values, making helm create a secret for you