diff --git a/LICENSE b/LICENSE
index a5ff228e..955d4e34 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,7 @@
 The MIT License (MIT)
 
 Copyright (c) 2016 Martin Lindhe
+Copyright (c) 2021 The Prometheus Authors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal