diff --git a/layouts/partials/docs/html-head.html b/layouts/partials/docs/html-head.html
index 9946c37..3cf5054 100644
--- a/layouts/partials/docs/html-head.html
+++ b/layouts/partials/docs/html-head.html
@@ -4,11 +4,11 @@
 
 <!-- Theme stylesheet, you can customize scss by creating `assets/custom.scss` in your website -->
 {{- $styles := resources.Get "book.scss" | resources.ToCSS | resources.Minify | resources.Fingerprint }}
-<link rel="stylesheet" href="{{ $styles.RelPermalink }}">
+<link rel="stylesheet" href="{{ $styles.RelPermalink }}" integrity="{{ $styles.Data.Integrity }}">
 
 {{ if default true .Site.Params.BookSearch }}
 {{- $searchJS := resources.Get "search.js" | resources.ExecuteAsTemplate "search.js" . | resources.Minify | resources.Fingerprint }}
-<script defer src="{{ $searchJS.RelPermalink }}"></script>
+<script defer src="{{ $searchJS.RelPermalink }}" integrity="{{ $searchJS.Data.Integrity }}"></script>
 {{ end }}
 
 <!-- Favicon -->