diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95932f6..d379c3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 
 All notable changes to this project will be documented in this file.
 
+## [v2.1.0](https://github.com/betadots/pdc/tree/v2.1.0) (2024-03-12)
+
+[Full Changelog](https://github.com/betadots/pdc/compare/v2.0.0...v2.1.0)
+
+**Implemented enhancements:**
+
+- Add rubygems for module testing [\#43](https://github.com/betadots/pdc/pull/43) ([rwaffen](https://github.com/rwaffen))
+
 ## [v2.0.0](https://github.com/betadots/pdc/tree/v2.0.0) (2024-02-02)
 
 [Full Changelog](https://github.com/betadots/pdc/compare/v1.1.0...v2.0.0)
diff --git a/README.md b/README.md
index 4b2bd79..6d4fcf3 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,14 @@ main-<puppet.major>
 
 `latest` should be self-explanatory. The `main` tags are built with every push to the main branch and can be regarded as development tags.
 
+## Changelog
+
+see [CHANGELOG.md](CHANGELOG.md)
+
 ## How to contribute?
 
-see [CONTRIBUTING.md](CONTRIBUTING)
+see [CONTRIBUTING.md](CONTRIBUTING.md)
+
+## How to release?
+
+see [RELEASE.md](RELEASE.md)