diff --git a/pyweb/mumble/__init__.py b/pyweb/mumble/__init__.py
index cb703eb..0681312 100644
--- a/pyweb/mumble/__init__.py
+++ b/pyweb/mumble/__init__.py
@@ -12,3 +12,33 @@
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
 """
+
+version = { 'major': 2, 'minor': 2, 'beta': None }
+
+if version['beta']:
+	version_str = "v%(major)d.%(minor)dbeta%(beta)d" % version
+else:
+	version_str = "v%(major)d.%(minor)d" % version
+
+def getVersions():
+	""" Generator that yields all available upstream versions. """
+	url = 'http://bitbucket.org/Svedrin/mumble-django/raw/tip/.hgtags'
+	from urllib2 import urlopen
+	webtags = urlopen(url)
+	try:
+		while True:
+			line = webtags.readline().strip()
+			if not line:
+				raise StopIteration
+			_, version = line.split(' ')
+			yield version
+	finally:
+		webtags.close()
+
+def getLatestUpstreamVersion():
+	""" Return the latest version available upstream. """
+	return max(getVersions())
+
+def isUptodate():
+	""" Check if this version of Mumble-Django is the latest available. """
+	return version_str >= getLatestUpstreamVersion()
diff --git a/pyweb/processors.py b/pyweb/processors.py
index 381bd02..ed92297 100644
--- a/pyweb/processors.py
+++ b/pyweb/processors.py
@@ -17,3 +17,7 @@
 def installed_apps(request):
 	from django.conf import settings
 	return { 'ROSETTA_INSTALLED': "rosetta" in settings.INSTALLED_APPS }
+
+def mumble_version(request):
+	from mumble import version_str
+	return { 'CURRENTVERSION': version_str }
diff --git a/pyweb/settings.py b/pyweb/settings.py
index 7c11d55..c8baaa1 100644
--- a/pyweb/settings.py
+++ b/pyweb/settings.py
@@ -206,6 +206,7 @@ TEMPLATE_CONTEXT_PROCESSORS = (
 	"django.core.context_processors.i18n",
 	"django.core.context_processors.media",
 	'processors.installed_apps',
+	'processors.mumble_version',
 )
 
 TEST_RUNNER = 'mumble.testrunner.run_tests'
diff --git a/pyweb/templates/index.html b/pyweb/templates/index.html
index 5e0cfe1..7e06e76 100644
--- a/pyweb/templates/index.html
+++ b/pyweb/templates/index.html
@@ -67,7 +67,7 @@
       </div>
       <!-- footer -->
       <div id="footerpanel">
-        You are using <a href="http://bitbucket.org/Svedrin/mumble-django" target="_blank">Mumble-Django</a> --
+        You are using <a href="http://bitbucket.org/Svedrin/mumble-django" target="_blank">Mumble-Django {{ CURRENTVERSION }}</a> --
         interface built using <a href="http://extjs.com/" target="_blank">ExtJS</a>
       </div>
     </div>
diff --git a/pyweb/templates/mobile_index.html b/pyweb/templates/mobile_index.html
index 4b5505b..6c02623 100644
--- a/pyweb/templates/mobile_index.html
+++ b/pyweb/templates/mobile_index.html
@@ -26,7 +26,7 @@
     <div id="footerpanel" style="color:white">
       <ul>
         <li><a href="{% url mumble.views.redir %}" style="color:white">Home</a></li>
-        <li><a href="http://bitbucket.org/Svedrin/mumble-django" style="color:white" target="_blank">Mumble-Django</a></li>
+        <li><a href="http://bitbucket.org/Svedrin/mumble-django" style="color:white" target="_blank">Mumble-Django {{ CURRENTVERSION }}</a></li>
       </ul>
     </div>
   </body>
diff --git a/pyweb/templates/registration/imprint.html b/pyweb/templates/registration/imprint.html
index 9276b45..11cb205 100644
--- a/pyweb/templates/registration/imprint.html
+++ b/pyweb/templates/registration/imprint.html
@@ -11,8 +11,18 @@
     <br />
     Furthermore, registered Django users can sign up for user accounts on the configured vservers and change their registration names and passwords, and Django admins can manage server admins through the webinterface.<br />
     <br />
-    It is being developed by Michael "Svedrin" Ziegler.
+    It is being developed by Michael "Svedrin" Ziegler. See the attached AUTHORS and COPYRIGHT files for details.<br />
+    <br />
+  </p>
+  <p>
+    <table>
+      <caption>Version information</caption>
+      <tr><th>Running version</th><td>{{ CURRENTVERSION }}</td></tr>
+      <tr><th>Newest available version</th><td>{{ upstreamversion }}</td></tr>
+    </table><br />
+  </p>
+  <p>
+    All JavaScript elements were implemented using <a href="http://www.extjs.com/" target="_blank">the ExtJS JavaScript library.</a>
   </p>
-  <p>All JavaScript elements were implemented using <a href="http://www.extjs.com/" target="_blank">the ExtJS JavaScript library.</a></p>
 </div>
 {% endblock %}
diff --git a/pyweb/views.py b/pyweb/views.py
index 8bc6322..ffdc20e 100644
--- a/pyweb/views.py
+++ b/pyweb/views.py
@@ -35,6 +35,8 @@ def profile( request ):
 
 
 def imprint( request ):
+	import mumble
 	return render_to_response(
 		'registration/imprint.html',
+		{ 'upstreamversion': mumble.getLatestUpstreamVersion() },
 		context_instance = RequestContext(request) );