diff --git a/LICENSE b/LICENSE
index b51777d..acbf77f 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2020, Alex A. Naanou
+Copyright (c) 2020-2023, Alex A. Naanou
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/README.md b/README.md
index b21d1a4..afeed18 100644
--- a/README.md
+++ b/README.md
@@ -3525,7 +3525,7 @@ This includes [`event.EventMixin`](#eventeventmixin).
 
 [BSD 3-Clause License](./LICENSE)
 
-Copyright (c) 2020, Alex A. Naanou,  
+Copyright (c) 2020-2023, Alex A. Naanou,  
 All rights reserved.