diff --git a/public/sounds/things/heartbeat.mp3 b/public/sounds/things/heartbeat.mp3
deleted file mode 100644
index a96db02..0000000
Binary files a/public/sounds/things/heartbeat.mp3 and /dev/null differ
diff --git a/public/sounds/things/heartbeat.wav b/public/sounds/things/heartbeat.wav
new file mode 100644
index 0000000..cf18952
Binary files /dev/null and b/public/sounds/things/heartbeat.wav differ
diff --git a/src/data/sounds/things.tsx b/src/data/sounds/things.tsx
index 3eff393..87162b7 100644
--- a/src/data/sounds/things.tsx
+++ b/src/data/sounds/things.tsx
@@ -57,7 +57,7 @@ export const things: Category = {
       icon: <FaHeartbeat />,
       id: 'heartbeat',
       label: 'Heartbeat',
-      src: '/sounds/things/heartbeat.mp3',
+      src: '/sounds/things/heartbeat.wav',
     },
   ],
   title: 'Things',