diff --git a/charts/common/templates/_container.yaml b/charts/common/templates/_container.yaml
index f0649f4..5d9dcfc 100644
--- a/charts/common/templates/_container.yaml
+++ b/charts/common/templates/_container.yaml
@@ -19,7 +19,7 @@ ports:
   {{- range .Values.ports }}
   - name: {{ .name }}
     containerPort: {{ .containerPort }}
-    protocol: TCP
+    protocol: {{ if .protocol }}{{ .protocol }}{{ else }}TCP{{ end }}
   {{- end }}
   {{- end }}
 {{- if .Values.probe.enabled }}