diff --git a/README.md b/README.md
index 9ef4d823d..b2d43b430 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ See under [validation/README](validation/README.md).
 <!-- BEGIN YAML TABLE -->
 | Repo | Version | Status | PRs | Bugs | Activity |
 | ---- | ------- | ------ | --- | ---- | -------- |
-| [oslc-op/refimpl](https://github.com/oslc-op/refimpl) | ![](https://img.shields.io/badge/Lyo-5.2.0--S-brightgreen) | ![](https://github.com/oslc-op/refimpl/workflows/CI/badge.svg) | [![](https://img.shields.io/github/issues-pr/oslc-op/refimpl?label=PR&color=blue)](https://github.com/oslc-op/refimpl/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc) | [![](https://img.shields.io/github/issues/oslc-op/refimpl/Type:%20Bug?label=bugs)](https://github.com/oslc-op/refimpl/issues?q=is%3Aopen+label%3Abug+sort%3Aupdated-desc) | ![](https://img.shields.io/github/last-commit/oslc-op/refimpl) |
+| [oslc-op/refimpl](https://github.com/oslc-op/refimpl) | ![](https://img.shields.io/badge/Lyo-5.2.0--S-f329da) | ![](https://github.com/oslc-op/refimpl/workflows/CI/badge.svg) | [![](https://img.shields.io/github/issues-pr/oslc-op/refimpl?label=PR&color=blue)](https://github.com/oslc-op/refimpl/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc) | [![](https://img.shields.io/github/issues/oslc-op/refimpl/Type:%20Bug?label=bugs)](https://github.com/oslc-op/refimpl/issues?q=is%3Aopen+label%3Abug+sort%3Aupdated-desc) | ![](https://img.shields.io/github/last-commit/oslc-op/refimpl) |
 | [oslc-op/sysml-oslc-server](https://github.com/oslc-op/sysml-oslc-server) | ![](https://img.shields.io/badge/Lyo-5.0.0--S-f329da) | ![](https://github.com/oslc-op/sysml-oslc-server/workflows/CI/badge.svg) | [![](https://img.shields.io/github/issues-pr/oslc-op/sysml-oslc-server?label=PR&color=blue)](https://github.com/oslc-op/sysml-oslc-server/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc) | [![](https://img.shields.io/github/issues/oslc-op/sysml-oslc-server/Type:%20Bug?label=bugs)](https://github.com/oslc-op/sysml-oslc-server/issues?q=is%3Aopen+label%3Abug+sort%3Aupdated-desc) | ![](https://img.shields.io/github/last-commit/oslc-op/sysml-oslc-server) |
 | [OSLC/lyo-adaptor-sample-modelling](https://github.com/OSLC/lyo-adaptor-sample-modelling) | ![](https://img.shields.io/badge/Lyo-5.0.0--S-f329da) | ![](https://github.com/OSLC/lyo-adaptor-sample-modelling/actions/workflows/maven.yml/badge.svg?branch=main-5.x) | [![](https://img.shields.io/github/issues-pr/OSLC/lyo-adaptor-sample-modelling?label=PR&color=blue)](https://github.com/OSLC/lyo-adaptor-sample-modelling/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc) | [![](https://img.shields.io/github/issues/OSLC/lyo-adaptor-sample-modelling/bug?label=bugs)](https://github.com/OSLC/lyo-adaptor-sample-modelling/issues?q=is%3Aopen+label%3Abug+sort%3Aupdated-desc) | ![](https://img.shields.io/github/last-commit/OSLC/lyo-adaptor-sample-modelling) |
 | [lyo-samples/lyo-client-samples](https://github.com/OSLC/lyo-samples) | ![](https://img.shields.io/badge/Lyo-5.0.0--S-f329da) | ![](https://github.com/OSLC/lyo-samples/actions/workflows/maven.yml/badge.svg) | [![](https://img.shields.io/github/issues-pr/OSLC/lyo-samples?label=PR&color=blue)](https://github.com/OSLC/lyo-samples/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc) | [![](https://img.shields.io/github/issues/OSLC/lyo-samples/bug?label=bugs)](https://github.com/OSLC/lyo-samples/issues?q=is%3Aopen+label%3Abug+sort%3Aupdated-desc) | ![](https://img.shields.io/github/last-commit/OSLC/lyo-samples) |
diff --git a/tools/readme-matrix/downstream-projects.yml b/tools/readme-matrix/downstream-projects.yml
index 17ac5660f..9f0ac55a0 100644
--- a/tools/readme-matrix/downstream-projects.yml
+++ b/tools/readme-matrix/downstream-projects.yml
@@ -1,13 +1,14 @@
 versions:
   # shields.io requires '-' to be escaped thru '--'
   snapshot:
-    - "5.2.0--S"
+    - "6.0.0--S"
   stable:
     - "5.1.0"
   milestone-warn:
     - "5.1.0a"
     - "5.0.1rc"
   obsolete-snapshot:
+    - "5.2.0--S"
     - "5.1.0--S"
     - "5.0.0--S"
     - "4.1.0--S"