diff --git a/TODO.md b/TODO.md
index 99e6d3b..fa71cef 100644
--- a/TODO.md
+++ b/TODO.md
@@ -4,7 +4,7 @@
  - [ ] Multi-Audio Tracks ([`audioTracks`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/audioTracks))
  - [ ] Playback Rate ([`playbackRate`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/playbackRate))
  - [ ] Add Picture-in-Picture button
- - [ ] Volume Controller
+ - [x] Volume Controller
  - [ ] Mobile Gestures
  - [ ] Cast Support
  - [ ] Allow for multiple players on one page