diff --git a/README.md b/README.md
index 3a61098..16ec774 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,11 @@ Ruby programming language training
 
 Ruby programming language training
 
-Copyright (C) Mert Gör and contributors
+Copyright (C) 2023-2024 Mert Gör and contributors
+
+Copyright (C) 2023-2024 Mass Collaboration Labs and contributors
+
+Copyright (C) 2023-2024 Masscollabs Services
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as published