diff --git a/packages/web/pages/_document.tsx b/packages/web/pages/_document.tsx
index 732a65320..b2d7bf93c 100644
--- a/packages/web/pages/_document.tsx
+++ b/packages/web/pages/_document.tsx
@@ -53,7 +53,7 @@ export default class Document extends NextDocument {
           <link rel="manifest" href="/manifest.webmanifest" />
           <script async src="/static/scripts/intercom.js" />
           <script async src="/static/scripts/inject-sw.js" />
-          <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.4.0/highlight.min.js"></script>
+          <script async src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.4.0/highlight.min.js"></script>
         </Head>
         <body>
           <Main />
