diff --git a/Dockerfile b/Dockerfile
index 85afc90..825d1ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 
 ARG PHP_VERSION=8.3
 ARG TOOLBOX_EXCLUDED_TAGS="exclude-php:${PHP_VERSION}"
-ARG TOOLBOX_VERSION="1.80.3"
+ARG TOOLBOX_VERSION="1.81.0"
 ARG FLAVOUR="alpine"
 
 
diff --git a/README.md b/README.md
index 2a77925..c3eb131 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ These are the latest tags for PHP versions that are no longer supported:
 | Name | Description | PHP 8.1 | PHP 8.2 | PHP 8.3 |
 | :--- | :---------- | :------ | :------ | :------ |
 | behat | [Helps to test business expectations](http://behat.org/) | ✅ | ✅ | ✅ |
-| box | [Fast, zero config application bundler with PHARs](https://github.com/humbug/box) | ✅ | ✅ | ✅ |
+| box | [Fast, zero config application bundler with PHARs](https://github.com/humbug/box) | ❌ | ✅ | ✅ |
 | box-3 | [Fast, zero config application bundler with PHARs](https://github.com/humbug/box) | ✅ | ❌ | ✅ |
 | churn | [Discovers good candidates for refactoring](https://github.com/bmitch/churn-php) | ✅ | ✅ | ✅ |
 | codeception | [Codeception is a BDD-styled PHP testing framework](https://codeception.com/) | ✅ | ✅ | ✅ |
@@ -71,7 +71,7 @@ These are the latest tags for PHP versions that are no longer supported:
 | pest | [The elegant PHP Testing Framework](https://github.com/pestphp/pest) | ✅ | ✅ | ✅ |
 | phan | [Static Analysis Tool](https://github.com/phan/phan) | ✅ | ✅ | ✅ |
 | phive | [PHAR Installation and Verification Environment](https://phar.io/) | ✅ | ✅ | ✅ |
-| php-coupling-detector | [Detects code coupling issues](https://akeneo.github.io/php-coupling-detector/) | ✅ | ✅ | ✅ |
+| php-coupling-detector | [Detects code coupling issues](https://akeneo.github.io/php-coupling-detector/) | ❌ | ❌ | ❌ |
 | php-cs-fixer | [PHP Coding Standards Fixer](http://cs.symfony.com/) | ✅ | ✅ | ✅ |
 | php-fuzzer | [A fuzzer for PHP, which can be used to find bugs in libraries by feeding them 'random' inputs](https://github.com/nikic/PHP-Fuzzer) | ✅ | ✅ | ✅ |
 | php-semver-checker | [Suggests a next version according to semantic versioning](https://github.com/tomzx/php-semver-checker) | ✅ | ✅ | ✅ |