diff --git a/charts/prom-label-proxy/Chart.yaml b/charts/prom-label-proxy/Chart.yaml
index 84d7268f58d0..825d241e2bcc 100644
--- a/charts/prom-label-proxy/Chart.yaml
+++ b/charts/prom-label-proxy/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: prom-label-proxy
 description: A proxy that enforces a given label in a given PromQL query.
 type: application
-version: 0.3.0
+version: 0.4.0
 appVersion: "v0.6.0"
 home: "https://github.com/prometheus-community/prom-label-proxy"
 keywords:
diff --git a/charts/prom-label-proxy/templates/service.yaml b/charts/prom-label-proxy/templates/service.yaml
index 33c748c3dce8..d73ee174b49a 100644
--- a/charts/prom-label-proxy/templates/service.yaml
+++ b/charts/prom-label-proxy/templates/service.yaml
@@ -5,6 +5,10 @@ metadata:
   namespace: {{ template "prom-label-proxy.namespace" . }}
   labels:
     {{- include "prom-label-proxy.labels" . | nindent 4 }}
+  {{- with .Values.service.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
 spec:
   type: ClusterIP
   ports: