Updating years in notice files.

diff --git a/NOTICE b/NOTICE
index c2055df..c5a2e19 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 Apache NetBeans Jackpot 3.0
-Copyright 2017-2019 The Apache Software Foundation
+Copyright 2017-2021 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
diff --git a/cmdline/tool/scripts/NOTICE-bin-tool.txt b/cmdline/tool/scripts/NOTICE-bin-tool.txt
index 5435951..0ddc56a 100644
--- a/cmdline/tool/scripts/NOTICE-bin-tool.txt
+++ b/cmdline/tool/scripts/NOTICE-bin-tool.txt
@@ -1,5 +1,5 @@
 Apache NetBeans Jackpot 3.0
-Copyright 2017-2018 The Apache Software Foundation
+Copyright 2017-2021 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
@@ -9,7 +9,7 @@
 to the Apache Software Foundation.
 
 Apache NetBeans
-Copyright 2017-2018 The Apache Software Foundation
+Copyright 2017-2021 The Apache Software Foundation
 
 The code is based on NetBeans, that has been kindly donated to the Apache
 Software Foundation by Oracle.