diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 49d81038b122b3db2640b976c29e69def21ca8e7..7150f510bf5e2b858ebeb15751d4f7865a472ee8 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -1,5 +1,5 @@
 ```
-   Copyright 2018-2023 IHE International
+   Copyright 2011-2024 IHE International
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.