diff --git a/LICENSE b/LICENSE
index 1dbe23e..da4313a 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,8 @@
 
 pg_stat_monitor - Statistics collector for PostgreSQL.
 
+Portions Copyright © 2018-2020, Percona LLC and/or its affiliates
+
 Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
 
 Portions Copyright (c) 1994, The Regents of the University of California