diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4372b17..72861d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,14 @@ 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).
 
+## [1.1.0] - Unreleased
+
+### Changed
+- Use PHPUnit 10 in composer.json
+
+### Removed
+- PHP 8.0 support
+
 ## [1.0.0] - 2024-02-07
 
 - Initial release
diff --git a/composer.json b/composer.json
index ad749ee..ef27fb4 100644
--- a/composer.json
+++ b/composer.json
@@ -18,18 +18,18 @@
     ],
     "license": ["proprietary"],
     "require": {
-        "php": "^8.0",
+        "php": "^8.1",
         "doctrine/dbal": "^v2.7",
-        "oxid-esales/graphql-base": "dev-b-7.0.x"
+        "oxid-esales/graphql-base": "dev-b-7.1.x"
     },
     "conflict": {
-        "oxid-esales/oxideshop-ce": "<7.0",
+        "oxid-esales/oxideshop-ce": "<7.1",
         "oxid-esales/graphql-catalogue": "*",
         "oxid-esales/graphql-account": "*",
         "oxid-esales/graphql-checkout": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.5",
+        "phpunit/phpunit": "^10.4",
         "squizlabs/php_codesniffer": "3.*",
         "phpmd/phpmd": "^2.11",
         "oxid-esales/oxideshop-ce": "^7.0",