diff --git a/charts/longhorn/templates/deployment-ui.yaml b/charts/longhorn/templates/deployment-ui.yaml
index 6bad5cd4..4c3c326b 100644
--- a/charts/longhorn/templates/deployment-ui.yaml
+++ b/charts/longhorn/templates/deployment-ui.yaml
@@ -89,7 +89,11 @@ metadata:
     {{- end }}
   name: longhorn-frontend
   namespace: {{ include "release_namespace" . }}
-spec:
+  {{- if .Values.longhornManager.serviceAnnotations }}
+  annotations:
+{{ toYaml .Values.longhornManager.serviceAnnotations | indent 4 }}
+  {{- end }}
+sspec:
   {{- if eq .Values.service.ui.type "Rancher-Proxy" }}
   type: ClusterIP
   {{- else }}
diff --git a/charts/longhorn/values.yaml b/charts/longhorn/values.yaml
index 55805f8b..2f6aadf8 100644
--- a/charts/longhorn/values.yaml
+++ b/charts/longhorn/values.yaml
@@ -219,6 +219,11 @@ longhornUI:
   ## and uncomment this example block
   #  label-key1: "label-value1"
   #  label-key2: "label-value2"
+  serviceAnnotations: {}
+  ## If you want to set annotations for the Longhorn Manager service, delete the `{}` in the line above
+  ## and uncomment this example block
+  #  annotation-key1: "annotation-value1"
+  #  annotation-key2: "annotation-value2"
 
 longhornConversionWebhook:
   replicas: 2