diff --git a/README.md b/README.md
index 06dc29b3..bc2a96b1 100644
--- a/README.md
+++ b/README.md
@@ -229,7 +229,7 @@ This disables all core and third-party shared extensions and thus, can break som
 
 These tools can be set up globally using the `tools` input. It accepts a string in csv-format.
 
-[`behat`], [`blackfire`], [`blackfire-player`], [`box`], [`castor`], [`churn`], [`codeception`], [`composer`], [`composer-dependency-analyser`], [`composer-normalize`], [`composer-prefetcher`], [`composer-require-checker`], [`composer-unused`], [`cs2pr`], [`deployer`], [`ecs`], [`flex`], [`grpc_php_plugin`], [`infection`], [`name-collision-detector`], [`parallel-lint`], [`pecl`], [`phan`], [`phing`], [`phinx`], [`phive`], [`php-config`], [`php-cs-fixer`], [`php-scoper`], [`phpcbf`], [`phpcpd`], [`phpcs`], [`phpdoc`] or [`phpDocumentor`], [`phpize`], [`phplint`], [`phpmd`], [`phpspec`], [`phpstan`], [`phpunit`], [`phpunit-bridge`], [`phpunit-polyfills`], [`pie`], [`pint`], [`prestissimo`], [`protoc`], [`psalm`], [`rector`], [`symfony`] or [`symfony-cli`], [`vapor`] or [`vapor-cli`], [`wp`] or [`wp-cli`]
+[`backward-compatibility-check`], [`behat`], [`blackfire`], [`blackfire-player`], [`box`], [`castor`], [`churn`], [`codeception`], [`composer`], [`composer-dependency-analyser`], [`composer-normalize`], [`composer-prefetcher`], [`composer-require-checker`], [`composer-unused`], [`cs2pr`], [`deployer`], [`ecs`], [`flex`], [`grpc_php_plugin`], [`infection`], [`name-collision-detector`], [`parallel-lint`], [`pecl`], [`phan`], [`phing`], [`phinx`], [`phive`], [`php-config`], [`php-cs-fixer`], [`php-scoper`], [`phpcbf`], [`phpcpd`], [`phpcs`], [`phpdoc`] or [`phpDocumentor`], [`phpize`], [`phplint`], [`phpmd`], [`phpspec`], [`phpstan`], [`phpunit`], [`phpunit-bridge`], [`phpunit-polyfills`], [`pie`], [`pint`], [`prestissimo`], [`protoc`], [`psalm`], [`rector`], [`symfony`] or [`symfony-cli`], [`vapor`] or [`vapor-cli`], [`wp`] or [`wp-cli`]
 
 ```yaml
 - name: Setup PHP with tools
@@ -1053,6 +1053,7 @@ These companies generously provide setup-php their products and services to aid
 
 
 <!-- Links to tools -->
+[`backward-compatibility-check`]: https://github.com/Roave/BackwardCompatibilityCheck
 [`behat`]:                    https://docs.behat.org/en/latest/
 [`blackfire`]:                https://blackfire.io/docs/php/index
 [`blackfire-player`]:         https://blackfire.io/docs/builds-cookbooks/player
diff --git a/__tests__/tools.test.ts b/__tests__/tools.test.ts
index 0355fa2a..4294d4eb 100644
--- a/__tests__/tools.test.ts
+++ b/__tests__/tools.test.ts
@@ -437,7 +437,7 @@ describe('Tools tests', () => {
 
   it.each([
     [
-      'behat, blackfire, blackfire-player, churn, composer-dependency-analyser, composer-normalize, composer-require-checker, composer-unused, cs2pr:1.2.3, ecs, flex, grpc_php_plugin:1.2.3, infection, name-collision-detector, phan, phan:1.2.3, phing:1.2.3, phinx, phive:1.2.3, php-config, phpcbf, phpcpd, phpcs, phpdoc, phpize, phpmd, phpspec, phpunit-bridge:5.6, phpunit-polyfills:1.0.1, protoc:v1.2.3, psalm, rector, symfony-cli, vapor-cli, wp-cli, pie',
+      'backward-compatibility-check, behat, blackfire, blackfire-player, churn, composer-dependency-analyser, composer-normalize, composer-require-checker, composer-unused, cs2pr:1.2.3, ecs, flex, grpc_php_plugin:1.2.3, infection, name-collision-detector, phan, phan:1.2.3, phing:1.2.3, phinx, phive:1.2.3, php-config, phpcbf, phpcpd, phpcs, phpdoc, phpize, phpmd, phpspec, phpunit-bridge:5.6, phpunit-polyfills:1.0.1, protoc:v1.2.3, psalm, rector, symfony-cli, vapor-cli, wp-cli, pie',
       [
         'add_tool https://github.com/shivammathur/composer-cache/releases/latest/download/composer-7.4-stable.phar,https://dl.cloudsmith.io/public/shivammathur/composer-cache/raw/files/composer-7.4-stable.phar,https://getcomposer.org/composer-stable.phar composer',
         'add_composer_tool behat behat behat/ scoped',
@@ -471,6 +471,7 @@ describe('Tools tests', () => {
         'add_protoc 1.2.3',
         'add_tool https://github.com/vimeo/psalm/releases/latest/download/psalm.phar psalm "-v"',
         'add_composer_tool rector rector rector/ scoped',
+        'add_composer_tool backward-compatibility-check backward-compatibility-check roave/ scoped',
         'add_symfony latest',
         'add_composer_tool vapor-cli vapor-cli laravel/ scoped',
         'add_tool https://github.com/wp-cli/builds/blob/gh-pages/phar/wp-cli.phar?raw=true wp-cli "--version"',
diff --git a/src/configs/tools.json b/src/configs/tools.json
index 95261f3f..42fb6303 100644
--- a/src/configs/tools.json
+++ b/src/configs/tools.json
@@ -342,5 +342,10 @@
     "alias": "ecs",
     "repository": "symplify/easy-coding-standard",
     "scope": "scoped"
+  },
+  "backward-compatibility-check": {
+    "type": "composer",
+    "repository": "roave/backward-compatibility-check",
+    "scope": "scoped"
   }
 }