diff --git a/COPYING b/COPYING
index 076cc4f5eb2f787da3ba37135475330448b4079a..39eeb422559ece79be6b66fa12129991d1a31071 100644
--- a/COPYING
+++ b/COPYING
@@ -1,8 +1,8 @@
 Copyright holders:
 
-2016          Jakub Both
+2016--2017    Jakub Both
 2016--2017    Ansgar Burchardt
-2013--2016    Christian Engwer
+2013--2017    Christian Engwer
 2015          Elisa Friebel
 2013          Christoph Gersbacher
 2013          Stefan Girke
@@ -13,6 +13,7 @@ Copyright holders:
 2017          Max Kahnt
 2016--2017    Dominic Kempf
 2015          Angela Klewinghaus
+2017          Tobias Malkmus
 2013--2017    Steffen Müthing
 2017          Martin Nolte
 2015--2017    Elias Pipping