diff --git a/charts/prometheus-adapter/Chart.yaml b/charts/prometheus-adapter/Chart.yaml
index 5759511c5bb3..f4c7fcdbcbcf 100644
--- a/charts/prometheus-adapter/Chart.yaml
+++ b/charts/prometheus-adapter/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: prometheus-adapter
-version: 4.5.0
+version: 4.5.1
 appVersion: v0.11.1
 description: A Helm chart for k8s prometheus adapter
 home: https://github.com/kubernetes-sigs/prometheus-adapter
diff --git a/charts/prometheus-adapter/templates/service.yaml b/charts/prometheus-adapter/templates/service.yaml
index bd6732455b9d..4879385ebcb1 100644
--- a/charts/prometheus-adapter/templates/service.yaml
+++ b/charts/prometheus-adapter/templates/service.yaml
@@ -21,6 +21,7 @@ spec:
 {{- end }}
   ports:
   - port: {{ .Values.service.port }}
+    name: https
     protocol: TCP
     targetPort: https
   selector: