diff --git a/README.md b/README.md
index 741aece95..f6829b3c4 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 A post processing library that provides the means to implement image filter effects for [three.js](https://threejs.org/).
 
-*[Manual](https://pp.pmnd.rs/manual) · [API Reference](https://pp.pmnd.rs/manual/docs) · [Sandbox](https://codesandbox.io/s/postprocessing-25rts)*
+*[Manual](https://pp.pmnd.rs/manual) · [API Reference](https://pp.pmnd.rs/manual/docs) · [Sandbox](https://stackblitz.com/edit/postprocessing)*
 
 ## Contributing