diff --git a/gimmecert/crypto.py b/gimmecert/crypto.py
index ff5324ab7de12c9467e02df4b1963855018f0c2c..8427f02b6dba9d3e70e9e8695f8aa21c1f43bec6 100644
--- a/gimmecert/crypto.py
+++ b/gimmecert/crypto.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2018 Branko Majic
+# Copyright (C) 2018, 2020, 2024 Branko Majic
 #
 # This file is part of Gimmecert.
 #