diff --git a/README.md b/README.md
index 9fcb37f..48798c6 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ License
 
 ISC License
 
-Copyright 2023 Brmlab, z.s.
+Copyright 2023-2024 Brmlab, z.s.
 Dominik Pantůček <dominik.pantucek@trustica.cz>
 
 Permission to use, copy, modify, and/or distribute this software
diff --git a/src/util-mail.scm b/src/util-mail.scm
index 31680d5..9ab448c 100644
--- a/src/util-mail.scm
+++ b/src/util-mail.scm
@@ -5,7 +5,7 @@
 ;;
 ;; ISC License
 ;;
-;; Copyright 2023 Brmlab, z.s.
+;; Copyright 2023-2024 Brmlab, z.s.
 ;; Dominik Pantůček <dominik.pantucek@trustica.cz>
 ;;
 ;; Permission to use, copy, modify, and/or distribute this software