Update copyright year of files

[pghintplan/pg_hint_plan.git] / COPYRIGHT

diff --git a/COPYRIGHT b/COPYRIGHT
index 16f2453..368b62e 100644 (file)
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,4 +1,4 @@
-Copyright (c) 2012-2020, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
+Copyright (c) 2012-2021, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without