diff --git a/.github/workflows/composer-require-checker.yml b/.github/workflows/composer-dependency-analyser.yml
similarity index 52%
rename from .github/workflows/composer-require-checker.yml
rename to .github/workflows/composer-dependency-analyser.yml
index 893c769cb..c6ebea2b2 100644
--- a/.github/workflows/composer-require-checker.yml
+++ b/.github/workflows/composer-dependency-analyser.yml
@@ -1,13 +1,14 @@
-name: Composer require checker
+name: composer dependency analyser
 
 on:
   pull_request:
     paths: &paths
       - 'config/**'
       - 'src/**'
-      - '.github/workflows/composer-require-checker.yml'
+      - 'tests/**'
+      - '.github/workflows/composer-dependency-analyser.yml'
       - 'composer.json'
-      - 'composer-require-checker.json'
+      - 'composer-dependency-analyser.php'
   push:
     branches: ['master']
     paths: *paths
@@ -20,11 +21,8 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  composer-require-checker:
-    uses: yiisoft/actions/.github/workflows/composer-require-checker.yml@master
+  composer-dependency-analyser:
+    uses: yiisoft/actions/.github/workflows/composer-dependency-analyser.yml@master
     with:
-      os: >-
-        ['ubuntu-latest']
       php: >-
         ['8.1', '8.2', '8.3', '8.4', '8.5']
-      config: ./composer-require-checker.json
diff --git a/composer-dependency-analyser.php b/composer-dependency-analyser.php
new file mode 100644
index 000000000..533941e3c
--- /dev/null
+++ b/composer-dependency-analyser.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+use ShipMonk\ComposerDependencyAnalyser\Config\Configuration;
+use ShipMonk\ComposerDependencyAnalyser\Config\ErrorType;
+
+return (new Configuration())
+    ->disableComposerAutoloadPathScan()
+    ->setFileExtensions(['php'])
+    ->addPathToScan(__DIR__ . '/config', isDev: false)
+    ->addPathToScan(__DIR__ . '/src', isDev: false)
+    ->addPathToScan(__DIR__ . '/tests', isDev: true)
+    // Optional PHP extensions used by specific rules only, declared in "suggest".
+    ->ignoreErrorsOnExtensions(['ext-fileinfo', 'ext-intl'], [ErrorType::SHADOW_DEPENDENCY])
+    // Optional integrations used conditionally (class_exists()/attributes), intentionally kept as dev dependencies.
+    ->ignoreErrorsOnPackages(
+        ['jetbrains/phpstorm-attributes', 'yiisoft/translator-message-php', 'yiisoft/yii-debug'],
+        [ErrorType::DEV_DEPENDENCY_IN_PROD],
+    );
diff --git a/composer-require-checker.json b/composer-require-checker.json
deleted file mode 100644
index 51c259729..000000000
--- a/composer-require-checker.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-    "symbol-whitelist": [
-        "Yiisoft\\Yii\\Debug\\Collector\\CollectorTrait",
-        "Yiisoft\\Yii\\Debug\\Collector\\SummaryCollectorInterface",
-        "JetBrains\\PhpStorm\\ArrayShape",
-        "JetBrains\\PhpStorm\\ExpectedValues",
-        "JetBrains\\PhpStorm\\Language",
-        "json_validate"
-    ],
-    "php-core-extensions": [
-        "Core",
-        "date",
-        "json",
-        "pcre",
-        "Phar",
-        "Reflection",
-        "SPL",
-        "standard",
-        "fileinfo",
-        "intl"
-    ],
-    "scan-files": []
-}
diff --git a/composer.json b/composer.json
index 522ee9c00..c6a9b6186 100644
--- a/composer.json
+++ b/composer.json
@@ -40,11 +40,12 @@
     "require-dev": {
         "bamarni/composer-bin-plugin": "^1.8.3",
         "friendsofphp/php-cs-fixer": "^3.91",
+        "guzzlehttp/psr7": "^2.13",
         "jetbrains/phpstorm-attributes": "^1.2",
-        "maglnet/composer-require-checker": "^4.7.1",
         "phpbench/phpbench": "^1.4.1",
         "phpunit/phpunit": "^10.5.46",
         "rector/rector": "^2.0.16",
+        "shipmonk/composer-dependency-analyser": "^1.8",
         "spatie/phpunit-watcher": "^1.24",
         "yiisoft/di": "^1.3",
         "yiisoft/test-support": "^3.0.2",
@@ -95,6 +96,7 @@
         "infection": "vendor/bin/infection",
         "dry-run": "vendor/bin/rector process --dry-run",
         "psalm": "vendor/bin/psalm --config=psalm.xml",
-        "cs-fix": "php-cs-fixer fix"
+        "cs-fix": "php-cs-fixer fix",
+        "dependency-analyser": "composer-dependency-analyser"
     }
 }
diff --git a/docs/internals.md b/docs/internals.md
index 9bd4254e2..7a9eb30b4 100644
--- a/docs/internals.md
+++ b/docs/internals.md
@@ -36,8 +36,12 @@ use either newest or any specific version of PHP:
 
 ## Dependencies
 
-Use [ComposerRequireChecker](https://github.com/maglnet/ComposerRequireChecker) to detect transitive
-[Composer](https://getcomposer.org/) dependencies.
+Use [Composer Dependency Analyser](https://github.com/shipmonk-rnd/composer-dependency-analyser) to detect unknown,
+shadow, and unused [Composer](https://getcomposer.org) dependencies:
+
+```shell
+./vendor/bin/composer-dependency-analyser
+```
 
 ## Translation