diff --git a/COPYING b/COPYING
index 0839088c3..575945111 100644
--- a/COPYING
+++ b/COPYING
@@ -1,4 +1,6 @@
-Copyright (C) 2012 - 2019  Clifford Wolf <clifford@clifford.at>
+ISC License
+
+Copyright (C) 2012 - 2020  Clifford Wolf <clifford@clifford.at>
 
 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted, provided that the above
diff --git a/README.md b/README.md
index 79801d23f..f8571ad3d 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 ```
 yosys -- Yosys Open SYnthesis Suite
 
-Copyright (C) 2012 - 2019  Clifford Wolf <clifford@clifford.at>
+Copyright (C) 2012 - 2020  Clifford Wolf <clifford@clifford.at>
 
 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted, provided that the above
diff --git a/kernel/yosys.cc b/kernel/yosys.cc
index 7694fc9b6..a3f537150 100644
--- a/kernel/yosys.cc
+++ b/kernel/yosys.cc
@@ -129,7 +129,7 @@ void yosys_banner()
 	log(" |                                                                            |\n");
 	log(" |  yosys -- Yosys Open SYnthesis Suite                                       |\n");
 	log(" |                                                                            |\n");
-	log(" |  Copyright (C) 2012 - 2019  Clifford Wolf <clifford@clifford.at>           |\n");
+	log(" |  Copyright (C) 2012 - 2020  Clifford Wolf <clifford@clifford.at>           |\n");
 	log(" |                                                                            |\n");
 	log(" |  Permission to use, copy, modify, and/or distribute this software for any  |\n");
 	log(" |  purpose with or without fee is hereby granted, provided that the above    |\n");