diff --git a/libraries/edc-extension/CHANGELOG.md b/libraries/edc-extension/CHANGELOG.md
new file mode 100644
index 00000000..dc506cf0
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+++ b/libraries/edc-extension/CHANGELOG.md
@@ -0,0 +1,12 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## 0.1.0-RC1
+### Added
+- Update edc-extension to edc version 0.7.0
+- Add Readme.md
+
+## fixed
diff --git a/libraries/edc-extension/README.md b/libraries/edc-extension/README.md
index 4c154916..8a743c8e 100644
--- a/libraries/edc-extension/README.md
+++ b/libraries/edc-extension/README.md
@@ -38,4 +38,8 @@ The following table outlines the configuration settings for the `DTR Data Plane
 | `oauth2.token.clientId`                                     | Configuration property suffix for the client ID used for OAUTH2 token requests to access DTR.            |
 | `oauth2.token.clientSecret.path`                            | Configuration property suffix for the path to find the client secret in vault for OAUTH2 token requests. |
 
+## Digital Twin Registry Compatibility
 
+| dtr-edc Extension library version | Digital Twin Registry image version |
+|-----------------------------------|-------------------------------------|
+| 0.1.0-RC1                         | > 0.4.2                             |
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