diff --git a/index.html b/index.html
index 41d8904..11fd150 100644
--- a/index.html
+++ b/index.html
@@ -8,12 +8,12 @@
 		<link rel="stylesheet" href="style.css">
 		<!-- Import maps polyfill -->
 		<!-- Remove this when import maps will be widely supported -->
-		<script async src="https://unpkg.com/es-module-shims@1.6.3/dist/es-module-shims.js"></script>
+		<script async src="https://cdn.jsdelivr.net/npm/es-module-shims@1.8.3/dist/es-module-shims.min.js"></script>
 		<script type="importmap">
 			{
 				"imports": {
-					"three": "https://unpkg.com/three@0.158/build/three.module.js?module",
-					"three/addons/": "https://unpkg.com/three@0.158/examples/jsm/",
+					"three": "https://cdn.jsdelivr.net/npm/three@0.161.0/build/three.module.min.js",
+					"three/addons/": "https://cdn.jsdelivr.net/npm/three@0.161.0/examples/jsm/",
 					"three-hex-tiling": "https://cdn.jsdelivr.net/npm/three-hex-tiling@0.1.1/dist/index.js"
 				}
 			}