diff --git a/index.html b/index.html
index f653271..537d8af 100644
--- a/index.html
+++ b/index.html
@@ -38,7 +38,7 @@
 
 
 
-<iframe id="bg" width="640" height="360" frameborder="0" src="https://www.shadertoy.com/embed/4lBGDh?gui=&t=10&paused=false&muted=false" allowfullscreen></iframe>
+<iframe id="bg" width="640" height="360" frameborder="0" src="https://www.shadertoy.com/embed/wttfW2?gui=&t=10&paused=false&muted=false" allowfullscreen></iframe>
 <script>