diff --git a/composer.json b/composer.json
index 0667808cdb..380f2f8e10 100644
--- a/composer.json
+++ b/composer.json
@@ -86,7 +86,7 @@
         "pre-update-cmd": "Drupal\\Composer\\Composer::ensureComposerVersion",
         "pre-autoload-dump": "Drupal\\Core\\Composer\\Composer::preAutoloadDump",
         "drupal-phpunit-upgrade-check": "Drupal\\Core\\Composer\\Composer::upgradePHPUnit",
-        "drupal-phpunit-upgrade": "@composer update phpunit/phpunit symfony/phpunit-bridge phpspec/prophecy symfony/yaml --with-dependencies --no-progress",
+        "drupal-phpunit-upgrade": "@composer update phpunit/phpunit symfony/phpunit-bridge phpspec/prophecy symfony/yaml --with-dependencies --no-progress --ignore-platform-reqs",
         "post-update-cmd": [
             "Drupal\\Composer\\Composer::generateMetapackages"
         ],