diff --git a/COPYING b/COPYING
index 9a73903d6df1..a422167e1174 100644
--- a/COPYING
+++ b/COPYING
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2019 Eelco Dolstra and the Nixpkgs/NixOS contributors
+Copyright (c) 2003-2020 Eelco Dolstra and the Nixpkgs/NixOS contributors
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the