diff --git a/NOTICE b/NOTICE
index 9617f839b..e646f512d 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 Apache SkyWalking
-Copyright 2017-2019 The Apache Software Foundation
+Copyright 2017-2020 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
diff --git a/dist-material/release-docs/NOTICE b/dist-material/release-docs/NOTICE
index 5b16ced14..e32065b7d 100755
--- a/dist-material/release-docs/NOTICE
+++ b/dist-material/release-docs/NOTICE
@@ -1,5 +1,5 @@
 Apache SkyWalking
-Copyright 2017-2019 The Apache Software Foundation
+Copyright 2017-2020 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).