diff --git a/debianmemberportfolio/forms.py b/debianmemberportfolio/forms.py
index 2b2ae1c..24872ee 100644
--- a/debianmemberportfolio/forms.py
+++ b/debianmemberportfolio/forms.py
@@ -3,7 +3,7 @@
 #
 # Debian Member Portfolio Service views
 #
-# Copyright © 2015-2017 Jan Dittberner <jan@dittberner.info>
+# Copyright © 2015-2020 Jan Dittberner <jan@dittberner.info>
 #
 # This file is part of the Debian Member Portfolio Service.
 #
diff --git a/debianmemberportfolio/model/portfolio.ini b/debianmemberportfolio/model/portfolio.ini
index b4e30ad..7cf278a 100644
--- a/debianmemberportfolio/model/portfolio.ini
+++ b/debianmemberportfolio/model/portfolio.ini
@@ -1,7 +1,7 @@
 #
 # Configuration for Debian Member Portfolio Service
 #
-# Copyright © 2009-2014 Jan Dittberner <jan@dittberner.info>
+# Copyright © 2009-2020 Jan Dittberner <jan@dittberner.info>
 #
 # This file is part of the Debian Member Portfolio Service.
 #
diff --git a/debianmemberportfolio/model/urlbuilder.py b/debianmemberportfolio/model/urlbuilder.py
index 74a3a8d..cb2f33f 100644
--- a/debianmemberportfolio/model/urlbuilder.py
+++ b/debianmemberportfolio/model/urlbuilder.py
@@ -3,7 +3,7 @@
 #
 # Debian Member Portfolio Service url builder
 #
-# Copyright © 2009-2017 Jan Dittberner <jan@dittberner.info>
+# Copyright © 2009-2020 Jan Dittberner <jan@dittberner.info>
 #
 # This file is part of the Debian Member Portfolio Service.
 #
diff --git a/debianmemberportfolio/templates/base.html b/debianmemberportfolio/templates/base.html
index add9c13..82986b7 100644
--- a/debianmemberportfolio/templates/base.html
+++ b/debianmemberportfolio/templates/base.html
@@ -2,7 +2,7 @@
           "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 {# vim: ft=jinja
 Base template for XHTML templates.
-Copyright © 2009-2019 Jan Dittberner <jan@dittberner.info>
+Copyright © 2009-2020 Jan Dittberner <jan@dittberner.info>
 
 This file is part of the Debian Member Portfolio service.
 
@@ -38,7 +38,7 @@ with this program.  If not, see <https://www.gnu.org/licenses/>.
     <div id="footer">
       <img alt="{{ _('AGPL - Free Software') }}" id="agpllogo" src="{{ url_for('static', filename='images/agplv3-88x31.png') }}" width="88" height="31" />
       <p>{% trans browseurl='https://git.dittberner.info/jan/debianmemberportfolio', cloneurl='https://git.dittberner.info/jan/debianmemberportfolio.git', weblateurl='https://hosted.weblate.org/projects/debian-member-portfolio-service/' %}The service is available under the terms of the <a href="https://www.gnu.org/licenses/agpl.html">GNU Affero General Public License</a> as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. You can <a href="{{ browseurl }}" title="Gitweb repository browser URL">browse the source code</a> or clone it from <a href="{{ cloneurl }}" title="git clone URL">{{ cloneurl }}</a> using <a href="https://git-scm.com/">git</a>. If you want to translate this service to your language you can contribute at <a href="{{ weblateurl }}" title="Debian Member Portfolio Service at Weblate">Weblate</a>.{% endtrans %}</p>
-      <p>{{ _('Copyright © 2009-2019 Jan Dittberner') }}</p>
+      <p>{{ _('Copyright © 2009-2020 Jan Dittberner') }}</p>
     </div>
     <script type="text/javascript">
         var flattr_url = '{{ request.scheme }}://portfolio.debian.net/';
diff --git a/debianmemberportfolio/templates/showform.html b/debianmemberportfolio/templates/showform.html
index 1904881..a0d091a 100644
--- a/debianmemberportfolio/templates/showform.html
+++ b/debianmemberportfolio/templates/showform.html
@@ -2,7 +2,7 @@
 {#
 Template for the data input form.
 
-Copyright © 2009-2015 Jan Dittberner <jan@dittberner.info>
+Copyright © 2009-2020 Jan Dittberner <jan@dittberner.info>
 
 This file is part of the Debian Member Portfolio service.
 
diff --git a/debianmemberportfolio/templates/showformscript.js b/debianmemberportfolio/templates/showformscript.js
index c70ed19..842c272 100644
--- a/debianmemberportfolio/templates/showformscript.js
+++ b/debianmemberportfolio/templates/showformscript.js
@@ -1,6 +1,6 @@
 {# vim: ft=jinja
 Helper JavaScript for the data input form.
-Copyright © 2009, 2010, 2015 Jan Dittberner <jan@dittberner.info>
+Copyright © 2009-2020, Jan Dittberner <jan@dittberner.info>
 
 This file is part of the Debian Member Portfolio service.
 
diff --git a/debianmemberportfolio/views.py b/debianmemberportfolio/views.py
index 28aed4a..15df188 100644
--- a/debianmemberportfolio/views.py
+++ b/debianmemberportfolio/views.py
@@ -3,7 +3,7 @@
 #
 # Debian Member Portfolio Service views
 #
-# Copyright © 2015-2017 Jan Dittberner <jan@dittberner.info>
+# Copyright © 2015-2020 Jan Dittberner <jan@dittberner.info>
 #
 # This file is part of the Debian Member Portfolio Service.
 #