diff --git a/CHANGELOG.md b/CHANGELOG.md
index a875063..5f8b793 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,12 @@ 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).
 
-## [Unreleased](https://git.d3data.de/D3Public/sensitiveMessageFormatter/compare/1.0.0...rel_1.x)
+## [Unreleased](https://git.d3data.de/D3Public/sensitiveMessageFormatter/compare/1.0.1...rel_1.x)
+
+
+## [1.0.1](https://git.d3data.de/D3Public/sensitiveMessageFormatter/compare/1.0.0...1.0.1) - 2025-01-01
+### Changed
+- Guzzle dependency from 7.0
 
 ## [1.0.0](https://git.d3data.de/D3Public/sensitiveMessageFormatter/releases/tag/1.0.0) - 2024-12-23
 ### Added
diff --git a/composer.json b/composer.json
index 1a2fdbe..2ade3ca 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
   ],
   "require": {
     "php": "^8.0",
-    "guzzlehttp/guzzle": "^7.9"
+    "guzzlehttp/guzzle": "^7.0"
   },
   "require-dev": {
     "php": "^8.2",