diff --git a/doc/htdocs/install.html b/doc/htdocs/install.html
index 046e2c70..bd3aa043 100644
--- a/doc/htdocs/install.html
+++ b/doc/htdocs/install.html
@@ -158,25 +158,29 @@ $ sudo apt-get install gunicorn
 </div>
 <div class="section" id="ubuntu">
 <h2><a class="toc-backref" href="#contents">Ubuntu</a></h2>
-<p>If you use <a class="reference external" href="http://www.ubuntu.com/">Ubuntu</a> karmic, you can update your system with packages from
-our <a class="reference external" href="https://launchpad.net/~bchesneau/+archive/gunicorn">PPA</a> by adding <tt class="docutils literal">ppa:bchesneau/gunicorn</tt> to your system's Software
-Sources.</p>
+<p>If you use <a class="reference external" href="http://www.ubuntu.com/">Ubuntu</a>, you can update your system with packages from
+our <a class="reference external" href="https://launchpad.net/~bchesneau/+archive/gunicorn">PPA</a> by adding <tt class="docutils literal">ppa:gunicorn/ppa</tt> to your system's Software
+Sources. Use the <tt class="docutils literal"><span class="pre">apt-add-repository</span></tt> command from the
+<tt class="docutils literal"><span class="pre">python-software-properties</span></tt> package to add the Gunicorn software source.</p>
+<blockquote>
+$ sudo apt-add-repository ppa:gunicorn/ppa</blockquote>
 <p>Or this PPA can be added to your system manually by copying the lines below
 and adding them to your system's software sources:</p>
 <pre class="literal-block">
-deb http://ppa.launchpad.net/bchesneau/gunicorn/ubuntu karmic main
-deb-src http://ppa.launchpad.net/bchesneau/gunicorn/ubuntu karmic main
+deb http://ppa.launchpad.net/gunicorn/ppa/ubuntu lucid main
+deb-src http://ppa.launchpad.net/gunicorn/ppa/ubuntu lucid main
 </pre>
+<p>Replace 'lucid' with your Ubuntu distribution series.</p>
 <div class="section" id="signing-key">
 <h3><a class="toc-backref" href="#contents">Signing key</a></h3>
 <pre class="literal-block">
-1024R/15E5EB06
+1024R/5370FF2A
 </pre>
 </div>
 <div class="section" id="fingerprint">
 <h3><a class="toc-backref" href="#contents">Fingerprint</a></h3>
 <pre class="literal-block">
-49AEEDFF5CDCD82CEA8AB4DABC981A8115E5EB06
+FC7B41B54C9B8476D9EC22A2C6773E575370FF2A
 </pre>
 </div>
 </div>
diff --git a/doc/site/install.rst b/doc/site/install.rst
index 731a9073..81316d3d 100644
--- a/doc/site/install.rst
+++ b/doc/site/install.rst
@@ -142,29 +142,34 @@ install it in the usual way::
 Ubuntu
 ------
 
-If you use Ubuntu_ karmic, you can update your system with packages from
-our PPA_ by adding ``ppa:bchesneau/gunicorn`` to your system's Software
-Sources.
+If you use Ubuntu_, you can update your system with packages from
+our PPA_ by adding ``ppa:gunicorn/ppa`` to your system's Software
+Sources. Use the ``apt-add-repository`` command from the
+``python-software-properties`` package to add the Gunicorn software source.
+
+    $ sudo apt-add-repository ppa:gunicorn/ppa
 
 Or this PPA can be added to your system manually by copying the lines below
 and adding them to your system's software sources::
 
-  deb http://ppa.launchpad.net/bchesneau/gunicorn/ubuntu karmic main 
-  deb-src http://ppa.launchpad.net/bchesneau/gunicorn/ubuntu karmic main
+  deb http://ppa.launchpad.net/gunicorn/ppa/ubuntu lucid main
+  deb-src http://ppa.launchpad.net/gunicorn/ppa/ubuntu lucid main
+
+Replace 'lucid' with your Ubuntu distribution series.
   
 Signing key
 +++++++++++
 
 ::
 
-  1024R/15E5EB06
+  1024R/5370FF2A
   
 Fingerprint
 +++++++++++
 
 ::
 
-  49AEEDFF5CDCD82CEA8AB4DABC981A8115E5EB06
+  FC7B41B54C9B8476D9EC22A2C6773E575370FF2A
 
 .. _`GitHub Downloads`: http://github.com/benoitc/gunicorn/downloads
 .. _`design docs`: design.html