diff --git a/NOTICE.txt b/NOTICE.txt
index 5962cc847b61..34da5d0a6f44 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -3,7 +3,7 @@ Copyright OpenSearch Contributors
 
 This product includes software, including Kibana source code,
 developed by Elasticsearch (http://www.elastic.co).
-Copyright 2009-2018 Elasticsearch B.V.
+Copyright 2009-2021 Elasticsearch B.V.
 
 This product includes software developed by The Apache Software
 Foundation (http://www.apache.org/)
diff --git a/src/dev/notice/generate_notice_from_source.ts b/src/dev/notice/generate_notice_from_source.ts
index 458d123c934e..0bfc2a978e0f 100644
--- a/src/dev/notice/generate_notice_from_source.ts
+++ b/src/dev/notice/generate_notice_from_source.ts
@@ -37,7 +37,7 @@ const NOTICE_TEXT = `Copyright OpenSearch Contributors
 
 This product includes software, including Kibana source code,
 developed by Elasticsearch (http://www.elastic.co).
-Copyright 2009-2018 Elasticsearch B.V.
+Copyright 2009-2021 Elasticsearch B.V.
 
 This product includes software developed by The Apache Software
 Foundation (http://www.apache.org/)