diff --git a/packages/ui/src/assets/sounds/msn.mp3 b/packages/ui/src/assets/sounds/msn.mp3
new file mode 100644
index 0000000000..e89656647d
Binary files /dev/null and b/packages/ui/src/assets/sounds/msn.mp3 differ
diff --git a/packages/ui/src/features/settings/sections/NotificationsSettings.tsx b/packages/ui/src/features/settings/sections/NotificationsSettings.tsx
index 2414f0a56f..2d7835a8cb 100644
--- a/packages/ui/src/features/settings/sections/NotificationsSettings.tsx
+++ b/packages/ui/src/features/settings/sections/NotificationsSettings.tsx
@@ -283,6 +283,7 @@ export function NotificationsSettings() {
               <Select.Item value="switch">Switch</Select.Item>
               <Select.Item value="wilhelm">Wilhelm scream</Select.Item>
               <Select.Item value="icq">ICQ</Select.Item>
+              <Select.Item value="msn">MSN Messenger</Select.Item>
               {customSounds.length > 0 && (
                 <Select.Group>
                   <Select.Label>Custom</Select.Label>
diff --git a/packages/ui/src/features/settings/settingsStore.ts b/packages/ui/src/features/settings/settingsStore.ts
index 161ed7a11a..eab068147d 100644
--- a/packages/ui/src/features/settings/settingsStore.ts
+++ b/packages/ui/src/features/settings/settingsStore.ts
@@ -51,7 +51,8 @@ export type BuiltInCompletionSound =
   | "slide"
   | "switch"
   | "wilhelm"
-  | "icq";
+  | "icq"
+  | "msn";
 
 // A user-installed sound is selected by referencing its id as `custom:<id>`.
 export type CompletionSound =
diff --git a/packages/ui/src/utils/sounds.ts b/packages/ui/src/utils/sounds.ts
index 5da0cd8809..6872c36429 100644
--- a/packages/ui/src/utils/sounds.ts
+++ b/packages/ui/src/utils/sounds.ts
@@ -11,6 +11,7 @@ import icqUrl from "../assets/sounds/icq.mp3";
 import knockUrl from "../assets/sounds/knock.mp3";
 import meepUrl from "../assets/sounds/meep.mp3";
 import meepSmolUrl from "../assets/sounds/meep-smol.mp3";
+import msnUrl from "../assets/sounds/msn.mp3";
 import reviUrl from "../assets/sounds/revi.mp3";
 import ringUrl from "../assets/sounds/ring.mp3";
 import shootUrl from "../assets/sounds/shoot.mp3";
@@ -35,6 +36,7 @@ const SOUND_URLS: Record<Exclude<BuiltInCompletionSound, "none">, string> = {
   switch: switchUrl,
   wilhelm: wilhelmUrl,
   icq: icqUrl,
+  msn: msnUrl,
 };
 
 const MIN_RATE = 1 / 3;