diff --git a/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit b/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit
index c94fa31abd937..6ccd5d33ceb9b 100755
--- a/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit
+++ b/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit
@@ -45,14 +45,16 @@ $getEnvVar = function ($name, $default = false) {
     return $default;
 };
 
-if (PHP_VERSION_ID >= 70200) {
-    // PHPUnit 6 is required for PHP 7.2+
+if (PHP_VERSION_ID >= 70100) {
+    // PHPUnit 7 requires PHP 7.1+
+    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '7.4');
+} elseif (PHP_VERSION_ID >= 70000) {
+    // PHPUnit 6 requires PHP 7.0+
     $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '6.5');
 } elseif (PHP_VERSION_ID >= 50600) {
-    // PHPUnit 4 does not support PHP 7
+    // PHPUnit 5 requires PHP 5.6+
     $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '5.7');
 } else {
-    // PHPUnit 5.1 requires PHP 5.6+
     $PHPUNIT_VERSION = '4.8';
 }