diff --git a/CHANGELOG.md b/CHANGELOG.md
index 959b9981..3787de82 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,6 +32,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Upgrade Monolog to v3 ([PR171](https://github.com/5pm-HDH/churchtools-api/pull/171))
 - Upgrade required PHP version from 8.0 to 8.1 ([PR171](https://github.com/5pm-HDH/churchtools-api/pull/171))
 - Add Image-Property to Appointment ([PR174](https://github.com/5pm-HDH/churchtools-api/pull/174))
+- Update CT-Version ([PR178](https://github.com/5pm-HDH/churchtools-api/pull/178))
 
 ### Fixed
 
diff --git a/README.md b/README.md
index 1672e48b..c9ebb191 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 ![integarion-test workflow](https://github.com/5pm-HDH/churchtools-api/actions/workflows/integration-tests.yml/badge.svg)
 
 The ChurchTools-API Client is a PHP-based wrapper for the ChurchTools API and has been tested with ChurchTools
-version <version>3.101.1</version>.
+version <version>3.102.0</version>.
 
 ## Installation