diff --git a/src/lit-element.js b/src/lit-element.js
index 960359a..4e87634 100644
--- a/src/lit-element.js
+++ b/src/lit-element.js
@@ -1,4 +1,4 @@
-import {LitElement, html} from 'lit-element';
+import {LitElement, html} from 'https://cdn.jsdelivr.net/npm/lit-element@4.0.5/+esm';
 
 class LitElementEmpty extends LitElement {