diff --git a/src/Magento/ComposerRootUpdatePlugin/ComposerReimplementation/ExtendableRequireCommand.php b/src/Magento/ComposerRootUpdatePlugin/ComposerReimplementation/ExtendableRequireCommand.php
index 2914f0b..d5adc68 100644
--- a/src/Magento/ComposerRootUpdatePlugin/ComposerReimplementation/ExtendableRequireCommand.php
+++ b/src/Magento/ComposerRootUpdatePlugin/ComposerReimplementation/ExtendableRequireCommand.php
@@ -60,7 +60,7 @@ abstract class ExtendableRequireCommand extends RequireCommand
     /**
      * @inheritdoc
      */
-    public function __construct(string $name = null)
+    public function __construct(?string $name = null)
     {
         parent::__construct($name);
         $this->fileName = null;
diff --git a/src/Magento/ComposerRootUpdatePlugin/Plugin/Commands/OverrideRequireCommand.php b/src/Magento/ComposerRootUpdatePlugin/Plugin/Commands/OverrideRequireCommand.php
index d1dfbc2..b739905 100644
--- a/src/Magento/ComposerRootUpdatePlugin/Plugin/Commands/OverrideRequireCommand.php
+++ b/src/Magento/ComposerRootUpdatePlugin/Plugin/Commands/OverrideRequireCommand.php
@@ -69,7 +69,7 @@ class OverrideRequireCommand extends ExtendableRequireCommand
      * @param Application|null $application
      * @return void
      */
-    public function setApplication(Application $application = null): void
+    public function setApplication(?Application $application = null): void
     {
         // For Composer versions below 2.1.6:
         // In order to trick Composer into overriding its native RequireCommand with this class, the name needs to be