diff --git a/layouts/root.shtml b/layouts/root.shtml
index 7497620..4f099a2 100644
--- a/layouts/root.shtml
+++ b/layouts/root.shtml
@@ -14,9 +14,9 @@
     <link rel="apple-touch-icon" sizes="180x180" href="$site.asset('favicon/apple-touch-icon.png').link()">
     <link rel="manifest" href="$site.asset('favicon/site.webmanifest').link()">
     <!-- Phsophor Icons -->
-    <!-- <link rel="preload" href="https://cdn.jsdelivr.net/npm/@phosphor-icons/web@2.1.1/src/regular/style.css" as="style" onload="this.onload=null;this.rel='stylesheet'">
-    <noscript><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@phosphor-icons/web@2.1.1/src/regular/style.css"></noscript> -->
-    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@phosphor-icons/web@2.1.1/src/bold/style.css">
+    <!-- <link rel="preload" href="https://cdn.jsdelivr.net/npm/@phosphor-icons/web@2.1.2/src/regular/style.css" as="style" onload="this.onload=null;this.rel='stylesheet'">
+    <noscript><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@phosphor-icons/web@2.1.2/src/regular/style.css"></noscript> -->
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@phosphor-icons/web@2.1.2/src/bold/style.css">
     <!-- mathtex -->
     <link rel="stylesheet" href="$site.asset('math/Temml-Local.css').link()">
   </head>