diff --git a/layouts/_default/rss.xml b/layouts/_default/rss.xml
index f5d42854..0967c780 100644
--- a/layouts/_default/rss.xml
+++ b/layouts/_default/rss.xml
@@ -23,7 +23,7 @@
     {{ if .Site.Params.footer.showCopyright | default true -}}
     <copyright>{{ with replace .Site.Params.copyright "{ year }" now.Year }}{{.}}{{ else }}© {{ now.Format "2006" }} {{ .Site.Params.Author.name }}{{- end }}</copyright>
     {{- end }}
-    {{ if not .Date.IsZero }}<lastBuildDate>{{ .Date.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}</lastBuildDate>{{ end }}
+    {{ if not .Date.IsZero }}<lastBuildDate>{{ (index $pages.ByLastmod.Reverse 0).Lastmod.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}</lastBuildDate>{{ end }}
     {{- with .OutputFormats.Get "RSS" -}}
     {{ printf "<atom:link href=%q rel=\"self\" type=%q />" .Permalink .MediaType | safeHTML }}
     {{- end -}}
@@ -40,7 +40,7 @@
       <pubDate>{{ .Date.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}</pubDate>
       {{ with .Site.Params.Author.email }}<author>{{.}}{{ with $.Site.Params.Author.name }} ({{.}}){{end}}</author>{{end}}
       <guid>{{ .Permalink }}</guid>
-      <description>{{ .Summary | plainify | htmlUnescape | safeHTML }}</description>
+      <description>{{ .Summary | transform.XMLEscape | safeHTML }}</description>
       {{ range ( where .Site.RegularPages ".RelPermalink" .RelPermalink | first 1 ) }}
         {{- $images := .Resources.ByType "image" -}}
         {{- $featured := $images.GetMatch "*feature*" -}}