diff --git a/src/SEQTA.ts b/src/SEQTA.ts
index 837cb9f4..77b8a7a4 100644
--- a/src/SEQTA.ts
+++ b/src/SEQTA.ts
@@ -144,7 +144,7 @@ export function OpenWhatsNewPopup() {
   let video = document.createElement('video')
   let source = document.createElement('source')
   // Perhaps we host this on a server and then grab it instead of having it locally? 
-  source.setAttribute('src', 'https://raw.githubusercontent.com/BetterSEQTA/BetterSEQTA-Plus/main/src/resources/update-video.mp4')
+  source.setAttribute('src', 'https://raw.githubusercontent.com/BetterSEQTA/BetterSEQTA-Plus/main/src/resources/update-video.webm')
   video.autoplay = true
   video.muted = true
   video.loop = true
diff --git a/src/resources/update-video.mp4 b/src/resources/update-video.mp4
deleted file mode 100644
index f94c1d85..00000000
Binary files a/src/resources/update-video.mp4 and /dev/null differ
diff --git a/src/resources/update-video.webm b/src/resources/update-video.webm
new file mode 100644
index 00000000..7b80bf69
Binary files /dev/null and b/src/resources/update-video.webm differ