diff --git a/src/Command/CommandHelper.php b/src/Command/CommandHelper.php
index 47e4beba..4f53e09f 100644
--- a/src/Command/CommandHelper.php
+++ b/src/Command/CommandHelper.php
@@ -42,6 +42,7 @@ final class CommandHelper
     public const OPTION_WITH_PHP_CONFIG            = 'with-php-config';
     public const OPTION_WITH_PHP_PATH              = 'with-php-path';
     public const OPTION_WITH_PHPIZE_PATH           = 'with-phpize-path';
+    public const OPTION_WORKING_DIRECTORY          = 'working-dir';
     private const OPTION_MAKE_PARALLEL_JOBS        = 'make-parallel-jobs';
     private const OPTION_SKIP_ENABLE_EXTENSION     = 'skip-enable-extension';
     private const OPTION_FORCE                     = 'force';
@@ -73,13 +74,16 @@ public static function configurePhpConfigOptions(Command $command): void
         );
     }
 
-    public static function configureDownloadBuildInstallOptions(Command $command): void
+    public static function configureDownloadBuildInstallOptions(Command $command, bool $withRequestedPackageAndVersion = true): void
     {
-        $command->addArgument(
-            self::ARG_REQUESTED_PACKAGE_AND_VERSION,
-            InputArgument::OPTIONAL,
-            'The PIE package name and version constraint to use, in the format {vendor/package}{?:{?version-constraint}{?@stability}}, for example `xdebug/xdebug:^3.4@alpha`, `xdebug/xdebug:@alpha`, `xdebug/xdebug:^3.4`, etc.',
-        );
+        if ($withRequestedPackageAndVersion) {
+            $command->addArgument(
+                self::ARG_REQUESTED_PACKAGE_AND_VERSION,
+                InputArgument::OPTIONAL,
+                'The PIE package name and version constraint to use, in the format {vendor/package}{?:{?version-constraint}{?@stability}}, for example `xdebug/xdebug:^3.4@alpha`, `xdebug/xdebug:@alpha`, `xdebug/xdebug:^3.4`, etc.',
+            );
+        }
+
         $command->addOption(
             self::OPTION_MAKE_PARALLEL_JOBS,
             'j',
@@ -99,6 +103,13 @@ public static function configureDownloadBuildInstallOptions(Command $command): v
             'To attempt to install a version that doesn\'t match the version constraints from the meta-data, for instance to install an older version than recommended, or when the signature is not available.',
         );
 
+        $command->addOption(
+            self::OPTION_WORKING_DIRECTORY,
+            'd',
+            InputOption::VALUE_REQUIRED,
+            'The working directory to use, where applicable. If not specified, the current working directory is used. Only used in certain contexts.',
+        );
+
         self::configurePhpConfigOptions($command);
 
         /**
diff --git a/src/Command/InstallExtensionsForProjectCommand.php b/src/Command/InstallExtensionsForProjectCommand.php
index e80f0083..c5746a35 100644
--- a/src/Command/InstallExtensionsForProjectCommand.php
+++ b/src/Command/InstallExtensionsForProjectCommand.php
@@ -32,8 +32,10 @@
 use function array_merge;
 use function array_walk;
 use function assert;
+use function chdir;
 use function getcwd;
 use function in_array;
+use function is_dir;
 use function is_string;
 use function realpath;
 use function sprintf;
@@ -63,7 +65,7 @@ public function configure(): void
     {
         parent::configure();
 
-        CommandHelper::configurePhpConfigOptions($this);
+        CommandHelper::configureDownloadBuildInstallOptions($this, false);
     }
 
     public function execute(InputInterface $input, OutputInterface $output): int
@@ -71,6 +73,26 @@ public function execute(InputInterface $input, OutputInterface $output): int
         $helper = $this->getHelper('question');
         assert($helper instanceof QuestionHelper);
 
+        $workingDirOption  = (string) $input->getOption(CommandHelper::OPTION_WORKING_DIRECTORY);
+        $restoreWorkingDir = static function (): void {
+        };
+        if ($workingDirOption !== '' && is_dir($workingDirOption)) {
+            $currentWorkingDir = getcwd();
+            $restoreWorkingDir = static function () use ($currentWorkingDir, $output): void {
+                chdir($currentWorkingDir);
+                $output->writeln(
+                    sprintf('Restored working directory to: %s', $currentWorkingDir),
+                    OutputInterface::VERBOSITY_VERBOSE,
+                );
+            };
+
+            chdir($workingDirOption);
+            $output->writeln(
+                sprintf('Changed working directory to: %s', $workingDirOption),
+                OutputInterface::VERBOSITY_VERBOSE,
+            );
+        }
+
         $rootPackage = $this->composerFactoryForProject->rootPackage($input, $output);
 
         if (ExtensionType::isValid($rootPackage->getType())) {
@@ -78,10 +100,12 @@ public function execute(InputInterface $input, OutputInterface $output): int
             if (! is_string($cwd) || $cwd === '') {
                 $output->writeln('<error>Failed to determine current working directory.</error>');
 
+                $restoreWorkingDir();
+
                 return Command::FAILURE;
             }
 
-            return ($this->installPiePackageFromPath)(
+            $exit = ($this->installPiePackageFromPath)(
                 $this,
                 $cwd,
                 $rootPackage,
@@ -89,6 +113,10 @@ public function execute(InputInterface $input, OutputInterface $output): int
                 $input,
                 $output,
             );
+
+            $restoreWorkingDir();
+
+            return $exit;
         }
 
         $targetPlatform = CommandHelper::determineTargetPlatformFromInputs($input, $output);
@@ -201,6 +229,8 @@ static function (array $match): string {
 
         $output->writeln(PHP_EOL . 'Finished checking extensions.');
 
+        $restoreWorkingDir();
+
         /**
          * @psalm-suppress TypeDoesNotContainType
          * @psalm-suppress RedundantCondition