diff --git a/kallithea/templates/about.html b/kallithea/templates/about.html
--- a/kallithea/templates/about.html
+++ b/kallithea/templates/about.html
@@ -27,11 +27,11 @@
   necessarily limited to the following:
   <ul style="margin: 0 0 0 50px;">
   <li>Copyright &copy; 2010&ndash;2013, RhodeCode GmbH</li>
-  <li>Copyright &copy; 2011&ndash;2014, Unity Technologies</li>
-  <li>Copyright &copy; 2012, 2014, Andrew Shadura</li>
+  <li>Copyright &copy; 2011&ndash;2015, Unity Technologies</li>
+  <li>Copyright &copy; 2012, 2014&ndash;2015, Andrew Shadura</li>
   <li>Copyright &copy; 2012, Augusto Herrmann</li>
   <li>Copyright &copy; 2012, Dan Sheridan</li>
-  <li>Copyright &copy; 2012, 2014, Dominik Ruf</li>
+  <li>Copyright &copy; 2012, 2014&ndash;2015, Dominik Ruf</li>
   <li>Copyright &copy; 2012, Vincent Duvert</li>
   <li>Copyright &copy; 2011, Liad Shani</li>
   <li>Copyright &copy; 2013, Jonathan Sternberg</li>
@@ -48,7 +48,7 @@
   <li>Copyright &copy; 2014, Bradley M. Kuhn</li>
   <li>Copyright &copy; 2012&ndash;2013, xpol</li>
   <li>Copyright &copy; 2012, hppj</li>
-  <li>Copyright &copy; 2013&ndash;2014, Takumi IINO</li>
+  <li>Copyright &copy; 2013&ndash;2015, Takumi IINO</li>
   <li>Copyright &copy; 2011, Shawn K. O'Shea</li>
   <li>Copyright &copy; 2012, Tony Bussieres</li>
   <li>Copyright &copy; 2011, Simon Lopez</li>
@@ -59,7 +59,7 @@
   <li>Copyright &copy; 2011, Jared Bunting</li>
   <li>Copyright &copy; 2013, Magnus Ericmats</li>
   <li>Copyright &copy; 2010, Łukasz Balcerzak</li>
-  <li>Copyright &copy; 2014, Sean Farley</li>
+  <li>Copyright &copy; 2014&ndash;2015, Sean Farley</li>
   <li>Copyright &copy; 2014, Martin Vium</li>
   <li>Copyright &copy; 2014, Daniel Anderson</li>
   <li>Copyright &copy; 2014, Travis Burtrum</li>