diff --git a/src/components/NotificationDialog.vue b/src/components/NotificationDialog.vue
index 57a2fdf2..56580fbf 100644
--- a/src/components/NotificationDialog.vue
+++ b/src/components/NotificationDialog.vue
@@ -120,6 +120,7 @@ export default {
                 "gorush": "Gorush",
                 "gotify": "Gotify",
                 "GrafanaOncall": "Grafana Oncall",
+                "HeiiOnCall": "Heii On-Call",
                 "HomeAssistant": "Home Assistant",
                 "Kook": "Kook",
                 "line": "LINE Messenger",