diff --git a/ui/public/static/notification.ogg b/ui/public/static/notification.ogg
new file mode 100644
index 0000000..0eca738
Binary files /dev/null and b/ui/public/static/notification.ogg differ
diff --git a/ui/src/reactions.ts b/ui/src/reactions.ts
index 25857c9..5e27aec 100644
--- a/ui/src/reactions.ts
+++ b/ui/src/reactions.ts
@@ -14,6 +14,11 @@ export const registerReactions = (stores: StoreMapping) => {
         stores.wsStore.listen((message) => {
             stores.messagesStore.publishSingleMessage(message);
             Notifications.notifyNewMessage(message);
+            if (message.priority >= 4) {
+                const src = 'static/notification.ogg';
+                const audio = new Audio(src);
+                audio.play();
+            }
         });
         stores.appStore.refresh();
     };
diff --git a/ui/src/snack/browserNotification.ts b/ui/src/snack/browserNotification.ts
index 2a968bb..ce6984a 100644
--- a/ui/src/snack/browserNotification.ts
+++ b/ui/src/snack/browserNotification.ts
@@ -19,6 +19,7 @@ export function notifyNewMessage(msg: IMessage) {
     const notify = new Notify(msg.title, {
         body: removeMarkdown(msg.message),
         icon: msg.image,
+        silent: true,
         notifyClick: closeAndFocus,
         notifyShow: closeAfterTimeout,
     });
diff --git a/ui/yarn.lock b/ui/yarn.lock
index 28c9a28..790890f 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -1337,9 +1337,9 @@
   integrity sha512-p/sGgiPaathCfOtqu2fx5Mu1bcjuP8ALFg4xpGgNkcin7LwRyzUKniEHBKdcE1RPsenq5JVPIpMTJSygLboygQ==
 
 "@types/notifyjs@^3.0.0":
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/@types/notifyjs/-/notifyjs-3.0.0.tgz#a57126a90be2827d511d00a0615816cd5ca8a740"
-  integrity sha512-ur3eot/3XOOYk9n/AEf904D2H7rT8FE6wWSDQVABErveLyGjBmboFAzPpThgooJ+F7mBPbTDhV+CM8sYa/TFgw==
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/notifyjs/-/notifyjs-3.0.1.tgz#eba3bec10e44309df4aba31a73bfd26a562bc755"
+  integrity sha512-yTGCyGKVMUyL36usmerZbgC6bENPXBQC3OMqhdapzCsPzFcq1g8JFFAlbMjG3lHhkiT/0GKuG9H5IE+spkXZsA==
 
 "@types/prop-types@*":
   version "15.7.3"