diff --git a/Gemfile b/Gemfile
index 107da04..52827af 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,6 +15,7 @@ group :jekyll_plugins do
   gem "jekyll-paginate-v2", "~>1.7"
   gem "jekyll-sitemap", "1.2.0"
   gem "jekyll-seo-tag", "2.6.0"
+  gem 'jekyll-last-modified-at'
 end
 
 
diff --git a/Gemfile.lock b/Gemfile.lock
index e318bf1..9ea0bcc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,6 +27,9 @@ GEM
       pathutil (~> 0.9)
       rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
+    jekyll-last-modified-at (1.1.0)
+      jekyll (>= 3.7, < 5.0)
+      posix-spawn (~> 0.3.9)
     jekyll-paginate-v2 (1.9.4)
       jekyll (~> 3.0)
     jekyll-sass-converter (1.5.2)
@@ -46,6 +49,7 @@ GEM
     mercenary (0.3.6)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
+    posix-spawn (0.3.13)
     public_suffix (3.1.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
@@ -64,6 +68,7 @@ PLATFORMS
 
 DEPENDENCIES
   jekyll (~> 3.8.5)
+  jekyll-last-modified-at
   jekyll-paginate-v2 (~> 1.7)
   jekyll-seo-tag (= 2.6.0)
   jekyll-sitemap (= 1.2.0)
diff --git a/_includes/seo.html b/_includes/seo.html
index 2a3cbc2..efd95c5 100644
--- a/_includes/seo.html
+++ b/_includes/seo.html
@@ -1,7 +1,7 @@
 {% seo %}
 <!-- BEGIN seo.html -->
 <meta name="title" content="{{ page.title }} | {{ site.title }}" />
-<meta name="dc.date.modified" scheme="ISO8601" content="{{ site.time | date_to_xmlschema }}" />
+<meta name="dc.date.modified" scheme="ISO8601" content="{{ page.last_modified_at | date_to_xmlschema }}" />
 <meta name="robots" content="index" />
 <meta charset="utf-8" />
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
diff --git a/rss.xml b/rss.xml
index 894a688..d9ec6d5 100644
--- a/rss.xml
+++ b/rss.xml
@@ -12,11 +12,20 @@ layout: null
     <title>{{ site.title }}</title>
     <description>{{ site.description }}</description>
     <link>{{ site.url }}</link>
-    <language>en-us</language>
+    <language>{{ site.lang }}</language>
     <copyright>Creative Commons CC-BY-SA</copyright>
-    <lastBuildDate>{{ site.time | date_to_xmlschema }}</lastBuildDate>
-    <pubDate>{{ site.time | date_to_xmlschema }}</pubDate>
-    <docs>http://blogs.law.harvard.edu/tech/rss</docs>
+    <lastBuildDate>{{ site.time | date_to_rfc822 }}</lastBuildDate>
+    <pubDate>{% for track in site.tracks limit: 1 %}{{ track.last_modified_at | date_to_rfc822 }}{% endfor %}</pubDate>
+    <docs>https://cyber.harvard.edu/rss/rss.html</docs>
+    <generator>Jekyll</generator>
+    <image>
+      <url>{{ site.url }}{{ site.logo }}</url>
+      <title>{{ site.title }}</title>
+      <link>{{ site.url }}</link>
+      <width>480</width>
+      <height>480</height>
+    </image> 
+    <managingEditor>{{ site.author.email }}</managingEditor>
     <webMaster>{{ site.author.email }}</webMaster>
 
     <itunes:author>{{ site.author.name }}</itunes:author>
@@ -45,7 +54,7 @@ layout: null
 <description> &lt;img src=&quot;{{ post.image }}&quot; /&gt; {{ post.content | xml_escape }}</description>
 <enclosure url="{{ post.mp3 }}?ref=rss" type="audio/mpeg"/>
 <category>Podcasts</category>
-<pubDate>{{ post.date | date_to_xmlschema }}</pubDate>
+<pubDate>{{ post.date | date_to_rfc822 }}</pubDate>
 
 <itunes:author>Sakrecoer</itunes:author>