diff --git a/README.md b/README.md
index b039e31..3a602bc 100644
--- a/README.md
+++ b/README.md
@@ -142,6 +142,8 @@ Divided into the above listed categories...
   <li><a href="http://feeds.feedburner.com/456bereastreet">456 Berea Street</a></li>
   <li><a href="http://feeds.feedburner.com/redteamdesign">RedTeamDesign</a></li>
   <li><a href="http://www.heydonworks.com/rss.php">HeydonWorks</a></li>
+  <li><a href="http://feeds.feedburner.com/cloudfour">Cloud Four</a></li>
+  <li><a href="http://filamentgroup.com/lab/atom.xml">Filament Group</a></li>
 </ul>
 
 ### Feedception (News lists, link lists, etc.)
diff --git a/frontend-feeds.xml b/frontend-feeds.xml
index b69a9ca..031cf05 100644
--- a/frontend-feeds.xml
+++ b/frontend-feeds.xml
@@ -107,6 +107,8 @@
             <outline type="rss" title="456 Berea Street" text="456 Berea Street" htmlUrl="http://feeds.feedburner.com/456bereastreet" xmlUrl="http://feeds.feedburner.com/456bereastreet"/>
             <outline type="rss" title="RedTeamDesign" text="RedTeamDesign" htmlUrl="http://feeds.feedburner.com/redteamdesign" xmlUrl="http://feeds.feedburner.com/redteamdesign"/>
             <outline type="rss" title="HeydonWorks" text="HeydonWorks" htmlUrl="http://www.heydonworks.com/rss.php" xmlUrl="http://www.heydonworks.com/rss.php"/>
+            <outline type="rss" title="Cloud Four" text="Cloud Four" htmlUrl="http://feeds.feedburner.com/cloudfour" xmlUrl="http://feeds.feedburner.com/cloudfour"/>
+            <outline type="rss" title="Filament Group" text="Filament Group" htmlUrl="http://filamentgroup.com/lab/atom.xml" xmlUrl="http://filamentgroup.com/lab/atom.xml"/>
         </outline>
         <outline title="Podcasts" text="Podcasts">
             <outline type="rss" title="Javascript Jabber" text="Javascript Jabber" htmlUrl="http://feeds.feedburner.com/JavascriptJabber" xmlUrl="http://feeds.feedburner.com/JavascriptJabber"/>