diff --git a/templates/libs/hljs_footer.html b/templates/libs/hljs_footer.html
index b630983..79a1739 100644
--- a/templates/libs/hljs_footer.html
+++ b/templates/libs/hljs_footer.html
@@ -1,4 +1,6 @@
 <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/highlight.min.js"></script>
+<script src="//unpkg.com/highlightjs-copy/dist/highlightjs-copy.min.js"></script>
 <script>
+  hljs.addPlugin(new CopyButtonPlugin());
   hljs.highlightAll();
 </script>
diff --git a/templates/libs/hljs_head.html b/templates/libs/hljs_head.html
index 93e9bc0..820e5b4 100644
--- a/templates/libs/hljs_head.html
+++ b/templates/libs/hljs_head.html
@@ -2,3 +2,7 @@
   rel="stylesheet"
   href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/styles/default.min.css"
 />
+<link
+  rel="stylesheet"
+  href="//unpkg.com/highlightjs-copy/dist/highlightjs-copy.min.css"
+/>