diff --git a/LICENSE.md b/LICENSE.md
index 808bee4..e9c70ed 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2018, Space Telescope Science Institute, AURA
+Copyright (c) 2018-2021, Space Telescope Science Institute, AURA
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without