diff --git a/static/api_index.html b/static/api_index.html
index 8e7f12b..00cb9e8 100644
--- a/static/api_index.html
+++ b/static/api_index.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" data-content_root="./">
 <head>
+  <script src="https://unpkg.com/penpal@^5/dist/penpal.min.js"></script>
   <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
@@ -1227,4 +1228,4 @@ <h2>0.0.1 (Substance Painter 6.1.0)<a class="headerlink" href="#substance-painte
   </script>
 
 </body>
-</html>
\ No newline at end of file
+</html>
