diff --git a/charts/tempo-distributed/Chart.yaml b/charts/tempo-distributed/Chart.yaml
index b8cee10d3d..268d8aa3a0 100644
--- a/charts/tempo-distributed/Chart.yaml
+++ b/charts/tempo-distributed/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: tempo-distributed
 description: Grafana Tempo in MicroService mode
 type: application
-version: 1.48.0
+version: 1.48.1
 appVersion: 2.8.2
 engine: gotpl
 home: https://grafana.com/docs/tempo/latest/
diff --git a/charts/tempo-distributed/templates/metrics-generator/service-metrics-generator.yaml b/charts/tempo-distributed/templates/metrics-generator/service-metrics-generator.yaml
index cc3055e95f..2c22bf347f 100644
--- a/charts/tempo-distributed/templates/metrics-generator/service-metrics-generator.yaml
+++ b/charts/tempo-distributed/templates/metrics-generator/service-metrics-generator.yaml
@@ -17,7 +17,8 @@ spec:
   ports:
     {{- range .Values.metricsGenerator.ports }}
     {{- if .service }}
-    - name: {{ .name | quote }}
+    - appProtocol: grpc
+      name: {{ .name | quote }}
       port: {{ .port }}
       protocol: TCP
       targetPort: {{ .port }}
diff --git a/charts/tempo-distributed/templates/query-frontend/service-query-frontend.yaml b/charts/tempo-distributed/templates/query-frontend/service-query-frontend.yaml
index f2831e9b48..b6a3abab1a 100644
--- a/charts/tempo-distributed/templates/query-frontend/service-query-frontend.yaml
+++ b/charts/tempo-distributed/templates/query-frontend/service-query-frontend.yaml
@@ -17,10 +17,12 @@ spec:
   ipFamilies: {{ .Values.tempo.service.ipFamilies }}
   ipFamilyPolicy: {{ .Values.tempo.service.ipFamilyPolicy }}
   ports:
-    - name: http-metrics
+    - appProtocol: grpc
+      name: http-metrics
       port: 3200
       targetPort: http-metrics
-    - name: grpc
+    - appProtocol: grpc
+      name: grpc
       port: 9095
       protocol: TCP
       targetPort: grpc