diff --git a/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php b/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
index ad428791ca53d..85e4f0286e5f5 100644
--- a/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
+++ b/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
@@ -98,10 +98,8 @@
 };
 
 if (\PHP_VERSION_ID >= 80000) {
-    // PHP 8 requires PHPUnit 9.3+, PHP 8.1 requires PHPUnit 9.5+
-    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '9.5') ?: '9.5';
+    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '9.6') ?: '9.6';
 } elseif (\PHP_VERSION_ID >= 70200) {
-    // PHPUnit 8 requires PHP 7.2+
     $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '8.5') ?: '8.5';
 } else {
     $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '7.5') ?: '7.5';