diff --git a/app/Commander.php b/app/Commander.php
index 6ba4b4d..511c0e9 100644
--- a/app/Commander.php
+++ b/app/Commander.php
@@ -8,6 +8,7 @@
 use Symfony\Component\Console\Command\Command;
 use Syntatis\Version\CLI\Commands\GreaterThanCommand;
 use Syntatis\Version\CLI\Commands\IncrementCommand;
+use Syntatis\Version\CLI\Commands\LessThanCommand;
 use Syntatis\Version\CLI\Commands\ValidateCommand;
 
 final class Commander extends Application
@@ -31,6 +32,7 @@ private function getCommands(): array
 			new IncrementCommand(),
 			new ValidateCommand(),
 			new GreaterThanCommand(),
+			new LessThanCommand(),
 		];
 	}
 }
diff --git a/app/Commands/GreaterThanCommand.php b/app/Commands/GreaterThanCommand.php
index 70a6280..1da27eb 100644
--- a/app/Commands/GreaterThanCommand.php
+++ b/app/Commands/GreaterThanCommand.php
@@ -4,16 +4,15 @@
 
 namespace Syntatis\Version\CLI\Commands;
 
+use Assert\Assertion;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
-use Syntatis\Version\CLI\Exceptions\InvalidArgumentType;
 use Throwable;
 use Version\Version;
 
-use function is_string;
 use function sprintf;
 
 final class GreaterThanCommand extends Command
@@ -43,17 +42,11 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 		$versionB = $input->getArgument('version-b');
 
 		try {
-			if (! is_string($versionA)) {
-				throw new InvalidArgumentType($versionA);
-			}
-
-			if (! is_string($versionB)) {
-				throw new InvalidArgumentType($versionB);
-			}
+			Assertion::string($versionA);
+			Assertion::string($versionB);
 
 			/** @var Version $a */
 			$a = Version::fromString($versionA);
-
 			/** @var Version $b */
 			$b = Version::fromString($versionB);
 
diff --git a/app/Commands/LessThanCommand.php b/app/Commands/LessThanCommand.php
new file mode 100644
index 0000000..8b591ee
--- /dev/null
+++ b/app/Commands/LessThanCommand.php
@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Syntatis\Version\CLI\Commands;
+
+use Assert\Assertion;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Throwable;
+use Version\Version;
+
+use function sprintf;
+
+final class LessThanCommand extends Command
+{
+	/**
+	 * Configure the command options and arguments.
+	 */
+	protected function configure(): void
+	{
+		$this->setName('lt');
+		$this->setDescription('Compare if a version is less than another');
+		$this->addArgument('version-a', InputArgument::REQUIRED, 'First version to compare');
+		$this->addArgument('version-b', InputArgument::REQUIRED, 'Second version to compare against the first');
+		$this->setHelp(<<<'HELP'
+			This command compares two versions and checks if the first version is less than the second.
+
+			Usage:
+			<info>version lt 0.9.0 1.0.0</info>
+			<info>version lt 2.1.0 2.1.0</info>
+			HELP);
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int
+	{
+		$style = new SymfonyStyle($input, $output);
+		$versionA = $input->getArgument('version-a');
+		$versionB = $input->getArgument('version-b');
+
+		try {
+			Assertion::string($versionA);
+			Assertion::string($versionB);
+
+			/** @var Version $a */
+			$a = Version::fromString($versionA);
+			/** @var Version $b */
+			$b = Version::fromString($versionB);
+
+			if ($a->isLessThan($b)) {
+				$style->success(sprintf("Version '%s' is less than '%s'.", $a, $b));
+
+				return Command::SUCCESS;
+			}
+
+			$style->error(sprintf("Version '%s' is not less than '%s'.", $a, $b));
+
+			return Command::FAILURE;
+		} catch (Throwable $th) {
+			$style->error($th->getMessage());
+
+			return Command::FAILURE;
+		}
+	}
+}
diff --git a/app/Commands/ValidateCommand.php b/app/Commands/ValidateCommand.php
index 7d62b47..74f44bb 100644
--- a/app/Commands/ValidateCommand.php
+++ b/app/Commands/ValidateCommand.php
@@ -4,16 +4,15 @@
 
 namespace Syntatis\Version\CLI\Commands;
 
+use Assert\Assertion;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
-use Syntatis\Version\CLI\Exceptions\InvalidArgumentType;
 use Throwable;
 use Version\Version;
 
-use function is_string;
 use function sprintf;
 
 final class ValidateCommand extends Command
@@ -36,15 +35,12 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 		$version = $input->getArgument('version');
 
 		try {
-			if (is_string($version)) {
-				Version::fromString($version);
+			Assertion::string($version);
+			Version::fromString($version);
 
-				$style->success(sprintf("Version string '%s' is valid and can be parsed", $version));
+			$style->success(sprintf("Version string '%s' is valid and can be parsed", $version));
 
-				return Command::SUCCESS;
-			}
-
-			throw new InvalidArgumentType($version);
+			return Command::SUCCESS;
 		} catch (Throwable $th) {
 			$style->error($th->getMessage());
 
diff --git a/composer.json b/composer.json
index 38f57f5..f0137d7 100644
--- a/composer.json
+++ b/composer.json
@@ -28,6 +28,7 @@
 	},
 	"require": {
 		"php": "^7.4 || ^8.0",
+		"beberlei/assert": "^3.3",
 		"nikolaposa/version": "^4.1.1",
 		"symfony/console": "^5.4 || ^6.0 || ^7.0"
 	},
@@ -37,6 +38,7 @@
 		"phpcompatibility/php-compatibility": "^9.3",
 		"phpstan/extension-installer": "^1.4",
 		"phpstan/phpstan": "^2.1",
+		"phpstan/phpstan-beberlei-assert": "^2.0",
 		"phpstan/phpstan-deprecation-rules": "^2.0",
 		"phpstan/phpstan-phpunit": "^2.0",
 		"phpstan/phpstan-strict-rules": "^2.0",
diff --git a/tests/phpunit/Commands/LessThanCommandTest.php b/tests/phpunit/Commands/LessThanCommandTest.php
new file mode 100644
index 0000000..c125bb7
--- /dev/null
+++ b/tests/phpunit/Commands/LessThanCommandTest.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Syntatis\Tests\Commands;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Console\Tester\CommandTester;
+use Syntatis\Version\CLI\Commander;
+
+use function sprintf;
+
+class LessThanCommandTest extends TestCase
+{
+	private Commander $commander;
+	private CommandTester $tester;
+
+	public function setUp(): void
+	{
+		parent::setUp();
+
+		$this->commander = new Commander();
+		$this->tester = new CommandTester($this->commander->get('lt'));
+	}
+
+	/** @dataProvider dataComparison */
+	public function testComparison(string $versionA, string $versionB, string $expect): void
+	{
+		$this->tester->execute(['version-a' => $versionA, 'version-b' => $versionB]);
+
+		self::assertStringContainsString(
+			$expect,
+			$this->tester->getDisplay(),
+		);
+	}
+
+	public static function dataComparison(): iterable
+	{
+		yield ['1.0.0', '2.0.0', sprintf("[OK] Version '%s' is less than '%s'.", '1.0.0', '2.0.0')];
+		yield ['2.0.0', '1.0.0', sprintf("[ERROR] Version '%s' is not less than '%s'.", '2.0.0', '1.0.0')];
+		yield ['1.0.0', '1.0.0', sprintf("[ERROR] Version '%s' is not less than '%s'.", '1.0.0', '1.0.0')];
+		yield ['1.0.0-alpha.1', '1.0.0-alpha.2', sprintf("[OK] Version '%s' is less than '%s'.", '1.0.0-alpha.1', '1.0.0-alpha.2')];
+		yield ['1.0.0-alpha.2', '1.0.0-alpha.1', sprintf("[ERROR] Version '%s' is not less than '%s'.", '1.0.0-alpha.2', '1.0.0-alpha.1')];
+	}
+}