diff --git a/docs/demo/index.html b/docs/demo/index.html
index b90232c..60372dd 100644
--- a/docs/demo/index.html
+++ b/docs/demo/index.html
@@ -12,10 +12,10 @@
    <h1>Demo of <code>videojs-quality-selector</code></h1>
 
    <video id="video_1" class="video-js vjs-default-skin" controls preload="auto">
-      <source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ab/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm.720p.webm" type="video/webm" label="720P">
-      <source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ab/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm.480p.webm" type="video/webm" label="480P" selected="true">
-      <source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ab/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm.360p.webm" type="video/webm" label="360P">
-      <source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ab/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm.240p.webm" type="video/webm" label="240P">
+      <source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ab/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm.720p.vp9.webm" type="video/webm" label="720P">
+      <source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ab/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm.480p.vp9.webm" type="video/webm" label="480P" selected="true">
+      <source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ab/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm.360p.vp9.webm" type="video/webm" label="360P">
+      <source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ab/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm/Caminandes_3_-_Llamigos_-_Blender_Animated_Short.webm.240p.vp9.webm" type="video/webm" label="240P">
    </video>
 
    <script>