diff --git a/api-viewer/extjs b/api-viewer/extjs
new file mode 120000
index 0000000..b71ec6e
--- /dev/null
+++ b/api-viewer/extjs
@@ -0,0 +1 @@
+/usr/share/javascript/extjs
\ No newline at end of file
diff --git a/api-viewer/index.html b/api-viewer/index.html
index 97ed69e..8528420 100644
--- a/api-viewer/index.html
+++ b/api-viewer/index.html
@@ -5,8 +5,8 @@
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
     <title>Proxmox VE API Documentation</title>
 
-    <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.1/classic/theme-crisp-touch/resources/theme-crisp-touch-all.css">
-   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.1/ext-all-debug.js"></script>   
+    <link rel="stylesheet" type="text/css" href="extjs/theme-crisp/resources/theme-crisp-all.css">
+    <script type="text/javascript" src="extjs/ext-all.js"></script>
     <script type="text/javascript" src="apidoc.js"></script>
 </head>
 <body></body>
diff --git a/debian/control b/debian/control
index 7ec1794..8d2ccde 100644
--- a/debian/control
+++ b/debian/control
@@ -23,6 +23,7 @@ Description: Proxmox Mail Gateway Documentation helpers
 
 Package: pmg-docs
 Section: doc
+Depends: libjs-extjs
 Architecture: all
 Description: Proxmox Mail Gateway Documentation
  This package contains the Proxmox Mail Gateway documentation files.
diff --git a/debian/pmg-docs.links b/debian/pmg-docs.links
new file mode 100644
index 0000000..6964af5
--- /dev/null
+++ b/debian/pmg-docs.links
@@ -0,0 +1 @@
+/usr/share/javascript/extjs /usr/share/pmg-docs/api-viewer/extjs
