diff --git a/src/NotificationAPI.res b/src/NotificationAPI.res
index 315c099..9931e96 100644
--- a/src/NotificationAPI.res
+++ b/src/NotificationAPI.res
@@ -86,6 +86,10 @@ type notificationOptions = {
   mutable requireInteraction?: bool,
   mutable data?: JSON.t,
   mutable actions?: array<notificationAction>,
+  /**
+    [Read more on MDN](https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/showNotification#vibrate)
+  */
+  mutable vibrate?: array<int>,
 }
 
 type getNotificationOptions = {mutable tag?: string}
diff --git a/tests/NotificationsAPI/Notification__test.res b/tests/NotificationsAPI/Notification__test.res
index 1e5d853..d2f8a61 100644
--- a/tests/NotificationsAPI/Notification__test.res
+++ b/tests/NotificationsAPI/Notification__test.res
@@ -10,4 +10,4 @@ Notification.requestPermission()
   | Default => Console.log("Permission default")
   }
 })
-->Promise.done
+->Promise.ignore
diff --git a/tests/ServiceWorkerAPI/ServiceWorker__test.js b/tests/ServiceWorkerAPI/ServiceWorker__test.js
index d3e2f39..06c1497 100644
--- a/tests/ServiceWorkerAPI/ServiceWorker__test.js
+++ b/tests/ServiceWorkerAPI/ServiceWorker__test.js
@@ -52,6 +52,13 @@ self.addEventListener("push", event => {
         action: "close",
         title: "Close"
       }
+    ],
+    vibrate: [
+      200,
+      50,
+      200,
+      50,
+      400
     ]
   });
 });
diff --git a/tests/ServiceWorkerAPI/ServiceWorker__test.res b/tests/ServiceWorkerAPI/ServiceWorker__test.res
index 8d274a1..aa56074 100644
--- a/tests/ServiceWorkerAPI/ServiceWorker__test.res
+++ b/tests/ServiceWorkerAPI/ServiceWorker__test.res
@@ -28,9 +28,10 @@ self->ServiceWorkerGlobalScope.addEventListener(EventAPI.Push, (event: PushAPI.p
       actions: [{action: "open", title: "Open"}, {action: "close", title: "Close"}],
       // For example the id of a new data entry
       data: JSON.Number(17.),
+      vibrate: [200, 50, 200, 50, 400],
     },
   )
-  ->Promise.done
+  ->Promise.ignore
 })
 
 self->ServiceWorkerGlobalScope.addEventListener(EventAPI.NotificationClick, (
@@ -51,6 +52,6 @@ self->ServiceWorkerGlobalScope.addEventListener(EventAPI.NotificationClick, (
   ->Option.forEach(id => {
     self.clients
     ->Clients.openWindow(`https://mywebsite.com/mydata/${id}`)
-    ->Promise.done
+    ->Promise.ignore
   })
 })