diff --git a/CHANGELOG.md b/CHANGELOG.md
index 83baae2..68e68d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## [2.1.0] - 2023-07-27
+### Added
+- replaced strict TCP protocol family in ports specification with variable: protocol which allows to decide which protocol is needed
+
+
 ## [2.0.0] - 2023-07-21
 ### Added
 - ability to use nodeSelector function
diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 3944703..d1b39f1 100644
--- a/chart/Chart.yaml
+++ b/chart/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: 2.0.0
+version: 2.1.0
 # 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
 # follow Semantic Versioning. They should reflect the version the application is using.
diff --git a/chart/templates/service.yaml b/chart/templates/service.yaml
index 76d46f4..198e7bb 100644
--- a/chart/templates/service.yaml
+++ b/chart/templates/service.yaml
@@ -15,7 +15,7 @@ spec:
   {{- end }}
   ports:
     - name: {{ .name }}
-      protocol: TCP
+      protocol: {{ .protocol }}
       port: {{ .servicePort }}
       targetPort: {{ .targetPort }}
   selector: