diff --git a/charts/opensearch-dashboards/CHANGELOG.md b/charts/opensearch-dashboards/CHANGELOG.md
index 043e6db4..06fdd643 100644
--- a/charts/opensearch-dashboards/CHANGELOG.md
+++ b/charts/opensearch-dashboards/CHANGELOG.md
@@ -14,6 +14,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 ### Security
 ---
+## [2.21.2]
+### Added
+### Changed
+### Deprecated
+### Removed
+### Fixed
+- Bug `protocol` missing for metrics in `Service`
+### Security
+---
 ## [2.21.1]
 ### Added
 ### Changed
@@ -377,7 +386,8 @@ 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-dashboards-2.21.1...HEAD
+[Unreleased]: https://github.com/opensearch-project/helm-charts/compare/opensearch-dashboards-2.21.2...HEAD
+[2.21.2]: https://github.com/opensearch-project/helm-charts/compare/opensearch-dashboards-2.21.1...opensearch-dashboards-2.21.2
 [2.21.1]: https://github.com/opensearch-project/helm-charts/compare/opensearch-dashboards-2.21.0...opensearch-dashboards-2.21.1
 [2.21.0]: https://github.com/opensearch-project/helm-charts/compare/opensearch-dashboards-2.20.0...opensearch-dashboards-2.21.0
 [2.20.0]: https://github.com/opensearch-project/helm-charts/compare/opensearch-dashboards-2.19.1...opensearch-dashboards-2.20.0
diff --git a/charts/opensearch-dashboards/Chart.yaml b/charts/opensearch-dashboards/Chart.yaml
index 89a75405..1c291995 100644
--- a/charts/opensearch-dashboards/Chart.yaml
+++ b/charts/opensearch-dashboards/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: 2.21.1
+version: 2.21.2
 
 # 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-dashboards/templates/service.yaml b/charts/opensearch-dashboards/templates/service.yaml
index e06a8c66..16962f16 100644
--- a/charts/opensearch-dashboards/templates/service.yaml
+++ b/charts/opensearch-dashboards/templates/service.yaml
@@ -37,6 +37,7 @@ spec:
     name: {{ .Values.service.httpPortName | default "http" }}
     targetPort: {{ .Values.service.port }}
   - name: {{ .Values.service.metricsPortName | default "metrics" }}
+    protocol: TCP
     port: {{ .Values.service.metricsPort }}
   selector:
     app: {{ .Chart.Name }}
diff --git a/charts/opensearch/CHANGELOG.md b/charts/opensearch/CHANGELOG.md
index 91a2a28c..a05906a0 100644
--- a/charts/opensearch/CHANGELOG.md
+++ b/charts/opensearch/CHANGELOG.md
@@ -14,6 +14,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 ### Security
 ---
+## [2.23.2]
+### Added
+- Metrics configuration in both `Service` templates
+### Changed
+### Deprecated
+### Removed
+### Fixed
+- Bug `protocol` missing for metrics in `Service`
+### Security
+---
 ## [2.23.1]
 ### Added
 ### Changed
@@ -459,7 +469,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Security
 
 
-[Unreleased]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.23.1...HEAD
+[Unreleased]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.23.2...HEAD
+[2.23.2]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.23.1...opensearch-2.23.2
 [2.23.1]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.23.0...opensearch-2.23.1
 [2.23.0]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.22.1...opensearch-2.23.0
 [2.22.1]: https://github.com/opensearch-project/helm-charts/compare/opensearch-2.22.0...opensearch-2.22.1
diff --git a/charts/opensearch/Chart.yaml b/charts/opensearch/Chart.yaml
index ba7c8342..0f4d799d 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: 2.23.1
+version: 2.23.2
 
 # 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/templates/service.yaml b/charts/opensearch/templates/service.yaml
index 4c28b2f3..78a6b074 100644
--- a/charts/opensearch/templates/service.yaml
+++ b/charts/opensearch/templates/service.yaml
@@ -32,6 +32,9 @@ spec:
   - name: {{ .Values.service.transportPortName | default "transport" }}
     protocol: TCP
     port: {{ .Values.transportPort }}
+  - name: {{ .Values.service.metricsPortName | default "metrics" }}
+    protocol: TCP
+    port: {{ .Values.metricsPort }}
 {{- if .Values.service.loadBalancerIP }}
   loadBalancerIP: {{ .Values.service.loadBalancerIP }}
 {{- end }}