diff --git a/public/index.html b/public/index.html
index 52b99ba..e418adc 100755
--- a/public/index.html
+++ b/public/index.html
@@ -82,7 +82,7 @@
     </div>
 
   </div>
-  <script src='//unpkg.com/simplex-noise@2'></script>
+  <script src='https://unpkg.com/simplex-noise@2'></script>
   <script src="./script.js"></script>
 </body>