diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 667fbac..f326111 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -43,7 +43,7 @@
   <link rel="alternate" href="{{ .Site.RSSLink }}" type="application/rss+xml" title="{{ .Site.Title }}">
   {{- end }}
   <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/katex.min.css" integrity="sha384-wITovz90syo1dJWVh32uuETPVEtGigN07tkttEqPv+uR2SE/mbQcG7ATL28aI9H0" crossorigin="anonymous">
-  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" />
+  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
   <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
   <link rel="stylesheet" href="{{ "css/main.css" | absURL }}" />
   {{- if .Site.Params.staticman -}}