diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b3347641a5eb229f209e77670cc089c35ed9c63..eb0ead4d290b0c8fe9ff84b43462c9a3348f1cc9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,15 @@ All notable changes to this project are documented in this file following the [K
 Issues reported on [GitHub](https://github.com/authzforce/core/issues) are referenced in the form of `[GH-N]`, where N is the issue number. Issues reported on [OW2](https://jira.ow2.org/browse/AUTHZFORCE/) are mentioned in the form of `[OW2-N]`, where N is the issue number.
 
 
+## Unreleased
+### Changed
+- Version of parent project: 6.0.0
+- Version of dependency authzforce-ce-core-pdp-api: 10.0.0 (API changes)
+
+### Added
+- [PolicyProvider implementation](src/main/java/org/ow2/authzforce/core/pdp/testutil/ext/MongoDBRefPolicyProviderModule.java) for testing and documentation purposes, using MongoDB as policy database system and Jongo as client library, with [JUnit test class](src/test/java/org/ow2/authzforce/core/pdp/testutil/test/MongoDBRefPolicyProviderModuleTest.java) showing how to use it.
+
+
 ## 8.0.0
 ### Changed
 - Version of parent project: 5.1.0