diff --git a/CONTRIBUTORS b/CONTRIBUTORS
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -1,11 +1,12 @@
 List of contributors to Kallithea project:
 
+    Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> 2014-2020
+    Mads Kiilerich <mads@kiilerich.com> 2016-2020
     Andrej Shadura <andrew@shadura.me> 2012 2014-2017 2019
-    Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> 2014-2019
     Étienne Gilli <etienne.gilli@gmail.com> 2015-2017 2019
-    Mads Kiilerich <mads@kiilerich.com> 2016-2019
     Allan Nordhøy <epost@anotheragency.no> 2017-2019
     ssantos <ssantos@web.de> 2018-2019
+    Adi Kriegisch <adi@cg.tuwien.ac.at> 2019
     Danni Randeris <danniranderis@gmail.com> 2019
     Edmund Wong <ewong@crazy-cat.org> 2019
     Elizabeth Sherrock <lizzyd710@gmail.com> 2019
@@ -15,6 +16,7 @@ List of contributors to Kallithea projec
     Mateusz Mendel <mendelm9@gmail.com> 2019
     Nathan <bonnemainsnathan@gmail.com> 2019
     Oleksandr Shtalinberg <o.shtalinberg@gmail.com> 2019
+    Private <adamantine.sword@gmail.com> 2019
     THANOS SIOURDAKIS <siourdakisthanos@gmail.com> 2019
     Wolfgang Scherer <wolfgang.scherer@gmx.de> 2019
     Христо Станев <hstanev@gmail.com> 2019