diff --git a/tests/license_year.txt b/tests/license_year.txt
index 50c04b1..cce6030 100644
--- a/tests/license_year.txt
+++ b/tests/license_year.txt
@@ -1,4 +1,4 @@
-Copyright (c) 2015-2019 John Doe <jdoe@example.com>
+Copyright (c) 2015 John Doe <jdoe@example.com>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal