Updating NOTICE year to 2020
diff --git a/kerby-dist/has-dist/NOTICE b/kerby-dist/has-dist/NOTICE
index 1b7953a..58aa6f1 100644
--- a/kerby-dist/has-dist/NOTICE
+++ b/kerby-dist/has-dist/NOTICE
@@ -1,5 +1,5 @@
 Apache Kerby
-Copyright 2015-2019 The Apache Software Foundation
+Copyright 2015-2020 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
diff --git a/kerby-dist/kdc-dist/NOTICE b/kerby-dist/kdc-dist/NOTICE
index b8e6706..aa6a1ad 100644
--- a/kerby-dist/kdc-dist/NOTICE
+++ b/kerby-dist/kdc-dist/NOTICE
@@ -1,5 +1,5 @@
 Apache Kerby
-Copyright 2015-2019 The Apache Software Foundation
+Copyright 2015-2020 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
diff --git a/kerby-dist/tool-dist/NOTICE b/kerby-dist/tool-dist/NOTICE
index d97fbc1..8b9f12a 100644
--- a/kerby-dist/tool-dist/NOTICE
+++ b/kerby-dist/tool-dist/NOTICE
@@ -1,5 +1,5 @@
 Apache Kerby
-Copyright 2015-2019 The Apache Software Foundation
+Copyright 2015-2020 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).