diff --git a/.github/workflows/mulle-sde-ci.yml b/.github/workflows/mulle-sde-ci.yml
index 84a4088..4a69f0e 100644
--- a/.github/workflows/mulle-sde-ci.yml
+++ b/.github/workflows/mulle-sde-ci.yml
@@ -33,7 +33,7 @@ jobs:
 
     - uses: actions/checkout@v4
 
-    - uses: mulle-sde/github-ci@v1
+    - uses: mulle-sde/github-ci@v2
 
     - name: Dump Project Environment
       run:  |
diff --git a/README.md b/README.md
index 9c3a0b5..aeb0cf0 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ It is the backbone of **NSString**.
 
 | Release Version                                       | Release Notes
 |-------------------------------------------------------|--------------
-| ![Mulle kybernetiK tag](https://img.shields.io/github/tag/mulle-c/mulle-utf.svg?branch=release) [![Build Status](https://github.com/mulle-c/mulle-utf/workflows/CI/badge.svg?branch=release)](//github.com/mulle-c/mulle-utf/actions) ![Coverage](https://img.shields.io/badge/coverage-75%25%C2%A0-yellow) | [RELEASENOTES](RELEASENOTES.md) |
+| ![Mulle kybernetiK tag](https://img.shields.io/github/tag/mulle-c/mulle-utf.svg?branch=master) [![Build Status](https://github.com/mulle-c/mulle-utf/workflows/CI/badge.svg?branch=master)](//github.com/mulle-c/mulle-utf/actions) ![Coverage](https://img.shields.io/badge/coverage-75%25%C2%A0-yellow) | [RELEASENOTES](RELEASENOTES.md) |
 
 
 ## API