diff --git a/README.md b/README.md
index 5f2e89a3..79396b24 100644
--- a/README.md
+++ b/README.md
@@ -198,7 +198,7 @@ PHP extensions can be setup using the `extensions` input. It accepts a `string`
 
 These tools can be setup globally using the `tools` input. It accepts a string in csv-format.
 
-`behat`, `blackfire`, `blackfire-player`, `codeception`, `composer`, `composer-normalize`, `composer-prefetcher`, `composer-require-checker`, `composer-unused`, `cs2pr`, `deployer`, `flex`, `grpc_php_plugin`, `infection`, `pecl`, `phan`, `phing`, `phinx`, `phive`, `php-config`, `php-cs-fixer`, `phpcbf`, `phpcpd`, `phpcs`, `phpize`, `phplint`, `phpmd`, `phpspec`, `phpstan`, `phpunit`, `prestissimo`, `protoc`, `psalm`, `symfony` or `symfony-cli`, `vapor` or `vapor-cli`, `wp` or `wp-cli`
+`behat`, `blackfire`, `blackfire-player`, `codeception`, `composer`, `composer-normalize`, `composer-prefetcher`, `composer-require-checker`, `composer-unused`, `cs2pr`, `deployer`, `flex`, `grpc_php_plugin`, `infection`, `pecl`, `phan`, `phing`, `phinx`, `phive`, `php-config`, `php-cs-fixer`, `phpcbf`, `phpcpd`, `phpcs`, `phpize`, `phplint`, `phpmd`, `phpspec`, `phpstan`, `phpunit`, `phpunit-bridge`, `prestissimo`, `protoc`, `psalm`, `symfony` or `symfony-cli`, `vapor` or `vapor-cli`, `wp` or `wp-cli`
 
 ```yaml
 - name: Setup PHP with tools
diff --git a/__tests__/tools.test.ts b/__tests__/tools.test.ts
index c7da12c5..0b838d8b 100644
--- a/__tests__/tools.test.ts
+++ b/__tests__/tools.test.ts
@@ -338,7 +338,7 @@ describe('Tools tests', () => {
 
   it.each([
     [
-      'blackfire, blackfire-player, cs2pr, flex, grpc_php_plugin, php-cs-fixer, phplint, phpstan, phpunit, pecl, phing, phinx, phinx:1.2.3, phive, php-config, phpize, protoc, symfony, vapor, wp',
+      'blackfire, blackfire-player, cs2pr, flex, grpc_php_plugin, php-cs-fixer, phplint, phpstan, phpunit, pecl, phing, phinx, phinx:1.2.3, phive, phpunit-bridge, php-config, phpize, protoc, symfony, vapor, wp',
       [
         'add_tool https://github.com/shivammathur/composer-cache/releases/latest/download/composer-stable.phar,https://getcomposer.org/composer-stable.phar composer',
         'add_blackfire',
@@ -355,6 +355,7 @@ describe('Tools tests', () => {
         'add_composertool phinx phinx robmorgan/',
         'add_composertool phinx phinx:1.2.3 robmorgan/',
         'add_tool https://phar.io/releases/phive.phar phive "status"',
+        'add_composertool phpunit-bridge phpunit-bridge symfony/',
         'add_devtools php-config',
         'add_devtools phpize',
         'add_protoc latest',
@@ -372,7 +373,7 @@ describe('Tools tests', () => {
 
   it.each([
     [
-      'behat, blackfire, blackfire-player, composer-normalize, composer-require-checker, composer-unused, cs2pr:1.2.3, flex, grpc_php_plugin:1.2.3, infection, phan, phan:1.2.3, phing:1.2.3, phinx, phive:1.2.3, php-config, phpcbf, phpcpd, phpcs, phpize, phpmd, phpspec, protoc:v1.2.3, psalm, symfony-cli, symfony:1.2.3, vapor-cli, wp-cli',
+      'behat, blackfire, blackfire-player, composer-normalize, composer-require-checker, composer-unused, cs2pr:1.2.3, flex, grpc_php_plugin:1.2.3, infection, phan, phan:1.2.3, phing:1.2.3, phinx, phive:1.2.3, php-config, phpcbf, phpcpd, phpcs, phpize, phpmd, phpspec, phpunit-bridge:5.6, protoc:v1.2.3, psalm, symfony-cli, symfony:1.2.3, vapor-cli, wp-cli',
       [
         'add_tool https://github.com/shivammathur/composer-cache/releases/latest/download/composer-stable.phar,https://getcomposer.org/composer-stable.phar composer',
         'add_composertool behat behat behat/',
@@ -397,6 +398,7 @@ describe('Tools tests', () => {
         'add_devtools phpize',
         'add_tool https://github.com/phpmd/phpmd/releases/latest/download/phpmd.phar phpmd "--version"',
         'add_composertool phpspec phpspec phpspec/',
+        'add_composertool phpunit-bridge phpunit-bridge:5.6.* symfony/',
         'add_protoc 1.2.3',
         'add_tool https://github.com/vimeo/psalm/releases/latest/download/psalm.phar psalm "-v"',
         'add_tool https://github.com/symfony/cli/releases/latest/download/symfony_darwin_amd64 symfony-cli "version"',
@@ -414,7 +416,7 @@ describe('Tools tests', () => {
 
   it.each([
     [
-      'blackfire, blackfire-player:1.2.3, cs2pr, deployer, does_not_exist, flex, phinx, phive:0.13.2, php-config, phpize, phpmd, symfony, wp',
+      'blackfire, blackfire-player:1.2.3, cs2pr, deployer, does_not_exist, flex, phinx, phive:0.13.2, php-config, phpize, phpmd, simple-phpunit, symfony, wp',
       [
         'Add-Tool https://github.com/shivammathur/composer-cache/releases/latest/download/composer-stable.phar,https://getcomposer.org/composer-stable.phar composer',
         'Add-Blackfire',
@@ -428,6 +430,7 @@ describe('Tools tests', () => {
         'php-config is not a windows tool',
         'phpize is not a windows tool',
         'Add-Tool https://github.com/phpmd/phpmd/releases/latest/download/phpmd.phar phpmd "--version"',
+        'Add-Composertool phpunit-bridge phpunit-bridge symfony/',
         'Add-Tool https://github.com/symfony/cli/releases/latest/download/symfony_windows_amd64.exe symfony-cli "version"',
         '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 2f63a965..37c8c162 100644
--- a/src/configs/tools.json
+++ b/src/configs/tools.json
@@ -116,6 +116,11 @@
     "type": "composer",
     "repository": "phpspec/phpspec"
   },
+  "phpunit-bridge": {
+    "alias": "simple-phpunit",
+    "type": "composer",
+    "repository": "symfony/phpunit-bridge"
+  },
   "prestissimo": {
     "type": "composer",
     "repository": "hirak/prestissimo"