prep for 1.21 release (#236)

diff --git a/NOTICE.txt b/NOTICE.txt
index a76526f..c63ea5c 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,5 +1,5 @@
 Apache OpenWhisk Runtime Node.js
-Copyright 2016-2022 The Apache Software Foundation
+Copyright 2016-2023 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
diff --git a/core/nodejs16Action/CHANGELOG.md b/core/nodejs16Action/CHANGELOG.md
index 675aea3..bc770d5 100644
--- a/core/nodejs16Action/CHANGELOG.md
+++ b/core/nodejs16Action/CHANGELOG.md
@@ -19,9 +19,15 @@
 
 # NodeJS 16 OpenWhisk Runtime Container
 
-# Next release
+# Apache 1.21
+  - Add tar.gz support to the nodejs runtime Proxy (#235)
+  - Add functionality to install modules during init (#233)
+  - Use openwhisk-client-js 3.21.7 (#223)
   - use node:16-bullseye as base image to automatically get vulnerability fixes
 
+Node.js version = [16.20.0](https://nodejs.org/en/blog/release/v16.20.0/)
+OpenWhisk version = [OpenWhisk v3.21.7](https://www.npmjs.com/package/openwhisk)
+
 # Apache 1.20
   - Initial release with support for Node.js v1.16
 
diff --git a/core/nodejs18Action/CHANGELOG.md b/core/nodejs18Action/CHANGELOG.md
index 78a7c15..d30378f 100644
--- a/core/nodejs18Action/CHANGELOG.md
+++ b/core/nodejs18Action/CHANGELOG.md
@@ -19,8 +19,8 @@
 
 # NodeJS 18 OpenWhisk Runtime Container
 
-# Next Release
+# Apache 1.21
   - Initial release with support for Node.js v1.18
 
-Node.js version = [18.4.0](https://nodejs.org/en/blog/release/v18.4.0/)
-OpenWhisk version = [OpenWhisk v3.21.6](https://www.npmjs.com/package/openwhisk)
+Node.js version = [18.16.0](https://nodejs.org/en/blog/release/v18.16.0/)
+OpenWhisk version = [OpenWhisk v3.21.7](https://www.npmjs.com/package/openwhisk)