diff --git a/date.h b/date.h
index 47b7e83..734b2e6 100644
--- a/date.h
+++ b/date.h
@@ -6,6 +6,7 @@
 // Copyright (c) 2015, 2016, 2017 Howard Hinnant
 // Copyright (c) 2016 Adrian Colomitchi
 // Copyright (c) 2017 Florian Dang
+// Copyright (c) 2017 Paul Thompson
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal