diff --git a/themes/hugo-theme-flat/layouts/partials/head.html b/themes/hugo-theme-flat/layouts/partials/head.html
index c1016ef..7d0c35b 100644
--- a/themes/hugo-theme-flat/layouts/partials/head.html
+++ b/themes/hugo-theme-flat/layouts/partials/head.html
@@ -3,7 +3,7 @@
 <meta name="githash" content="{{ .Page.GitInfo.Hash }}">
 <meta name="gitdate" content="{{ .Page.GitInfo.CommitDate }}">
 <meta name="gitmsg" content="{{ .Page.GitInfo.Subject }}">
-
+<meta name="buildtime" content="{{ time.Now }}">
 {{ $title := .Site.Title -}}
 {{ if .Params.Title -}}
     {{ $title = printf "%s | %s" .Params.Title $title -}}