diff --git a/NOTICE.txt b/NOTICE.txt
index ff3661df0a0..4c4f8b220fe 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,5 +1,5 @@
 Apache ZooKeeper
-Copyright 2009-2019 The Apache Software Foundation
+Copyright 2009-2020 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
diff --git a/zookeeper-docs/src/main/resources/markdown/zookeeperCLI.md b/zookeeper-docs/src/main/resources/markdown/zookeeperCLI.md
index 3ca676e504d..637e6b4596a 100644
--- a/zookeeper-docs/src/main/resources/markdown/zookeeperCLI.md
+++ b/zookeeper-docs/src/main/resources/markdown/zookeeperCLI.md
@@ -1,5 +1,5 @@
 <!--
-Copyright 2002-2019 The Apache Software Foundation
+Copyright 2002-2020 The Apache Software Foundation
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/zookeeper-docs/src/main/resources/markdown/zookeeperMonitor.md b/zookeeper-docs/src/main/resources/markdown/zookeeperMonitor.md
index bbc8d68fd87..43a999e74e8 100644
--- a/zookeeper-docs/src/main/resources/markdown/zookeeperMonitor.md
+++ b/zookeeper-docs/src/main/resources/markdown/zookeeperMonitor.md
@@ -1,5 +1,5 @@
 <!--
-Copyright 2002-2019 The Apache Software Foundation
+Copyright 2002-2020 The Apache Software Foundation
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -92,4 +92,4 @@ More details can be found in [here](http://zookeeper.apache.org/doc/current/zook
 
 <a name="four-letter-words"></a>
 ## Four letter words
-More details can be found in [here](http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_zkCommands)
\ No newline at end of file
+More details can be found in [here](http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_zkCommands)
diff --git a/zookeeper-docs/src/main/resources/markdown/zookeeperTools.md b/zookeeper-docs/src/main/resources/markdown/zookeeperTools.md
index 05d7c66a595..09865f99d2a 100644
--- a/zookeeper-docs/src/main/resources/markdown/zookeeperTools.md
+++ b/zookeeper-docs/src/main/resources/markdown/zookeeperTools.md
@@ -1,5 +1,5 @@
 <!--
-Copyright 2002-2019 The Apache Software Foundation
+Copyright 2002-2020 The Apache Software Foundation
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/zookeeper-docs/src/main/resources/markdown/zookeeperUseCases.md b/zookeeper-docs/src/main/resources/markdown/zookeeperUseCases.md
index eab3c785dda..0b841c34c71 100644
--- a/zookeeper-docs/src/main/resources/markdown/zookeeperUseCases.md
+++ b/zookeeper-docs/src/main/resources/markdown/zookeeperUseCases.md
@@ -1,5 +1,5 @@
 <!--
-Copyright 2002-2019 The Apache Software Foundation
+Copyright 2002-2020 The Apache Software Foundation
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -382,4 +382,4 @@ limitations under the License.
 - [35] http://atlas.apache.org/HighAvailability.html
 - [36] http://griffin.apache.org/docs/usecases.html
 - [37] https://fluo.apache.org/
-- [38] https://spring.io/projects/spring-cloud-zookeeper
\ No newline at end of file
+- [38] https://spring.io/projects/spring-cloud-zookeeper
diff --git a/zookeeper-server/src/main/resources/NOTICE.txt b/zookeeper-server/src/main/resources/NOTICE.txt
index 9077cc0d9c6..4900830b30f 100644
--- a/zookeeper-server/src/main/resources/NOTICE.txt
+++ b/zookeeper-server/src/main/resources/NOTICE.txt
@@ -1,5 +1,5 @@
 Apache ZooKeeper
-Copyright 2009-2019 The Apache Software Foundation
+Copyright 2009-2020 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).