diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ce17e3..7c8bdd0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 ### Added
 
+- Add `package-install` command to add a new package.
 - Add initial JavaScript/TypeScript/Fractal support to `versa install` and `versa run`.
 - Add a Symfony project type.
 - Automatically use PHPUnit or ParaTest based on `require-dev` dependencies.
diff --git a/src/Console/Command/PackageInstallCommand.php b/src/Console/Command/PackageInstallCommand.php
new file mode 100644
index 0000000..56548a7
--- /dev/null
+++ b/src/Console/Command/PackageInstallCommand.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace App\Console\Command;
+
+use App\Action\DetermineProjectLanguage;
+use App\Enum\ProjectLanguage;
+use App\Process\Process;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+final class PackageInstallCommand extends AbstractCommand
+{
+    public function configure(): void
+    {
+        parent::configure();
+
+        $this->addArgument(
+            name: 'package-name',
+            mode: InputArgument::REQUIRED,
+        );
+    }
+
+    public function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $args = $input->getOption('args');
+        $workingDir = $input->getOption('working-dir');
+
+        $language = $input->getOption('language') ?? (new DetermineProjectLanguage(
+            filesystem: $this->filesystem,
+            workingDir: $workingDir,
+        ))->getLanguage();
+
+        switch ($language) {
+            case ProjectLanguage::PHP->value:
+                $process = Process::create(
+                    args: explode(separator: ' ', string: $args ?? ''),
+                    command: ['composer', 'require', $input->getArgument('package-name')],
+                    workingDir: '.',
+                );
+
+                $process->setTimeout(null);
+                $process->run();
+                break;
+
+            case ProjectLanguage::JavaScript->value:
+                if ($this->filesystem->exists($workingDir.'/yarn.lock')) {
+                    $command = ['yarn', 'add'];
+                } elseif ($this->filesystem->exists($workingDir.'/pnpm-lock.yaml')) {
+                    $command = ['pnpm', 'install'];
+                } else {
+                    $command = ['npm', 'install'];
+                }
+
+                $process = Process::create(
+                    args: explode(separator: ' ', string: $args ?? ''),
+                    command: $command,
+                    workingDir: $workingDir,
+                );
+                $process->setTimeout(null);
+                $process->run();
+                break;
+        }
+
+        return Command::SUCCESS;
+    }
+}
diff --git a/versa b/versa
index 6c6d11b..878b34a 100755
--- a/versa
+++ b/versa
@@ -5,6 +5,7 @@ require __DIR__.'/vendor/autoload.php';
 
 use App\Console\Command\BuildCommand;
 use App\Console\Command\InstallCommand;
+use App\Console\Command\PackageInstallCommand;
 use App\Console\Command\RunCommand;
 use App\Console\Command\TestCommand;
 use Symfony\Component\Console\Application;
@@ -16,6 +17,7 @@ $filesystem = new Filesystem();
 $application->addCommands([
     new BuildCommand(filesystem: $filesystem, name: 'build'),
     new InstallCommand(filesystem: $filesystem, name: 'install'),
+    new PackageInstallCommand(filesystem: $filesystem, name: 'package-install'),
     new RunCommand(filesystem: $filesystem, name: 'run'),
     new TestCommand(filesystem: $filesystem, name: 'test'),
 ]);