diff --git a/src/Drall.php b/src/Drall.php
index fdfb875..8fdab53 100644
--- a/src/Drall.php
+++ b/src/Drall.php
@@ -2,6 +2,7 @@
 
 namespace Drall;
 
+use Composer\InstalledVersions;
 use Drall\Command\ExecCommand;
 use Drall\Command\SiteAliasesCommand;
 use Drall\Command\SiteDirectoriesCommand;
@@ -19,8 +20,6 @@ final class Drall extends Application {
 
   const NAME = 'Drall';
 
-  const VERSION = '3.1.0-rc1';
-
   use SiteDetectorAwareTrait;
 
   /**
@@ -29,7 +28,7 @@ final class Drall extends Application {
   public function __construct() {
     parent::__construct();
     $this->setName(self::NAME);
-    $this->setVersion(self::VERSION);
+    $this->setVersion(InstalledVersions::getPrettyVersion('jigarius/drall') ?? 'unknown');
     $this->setAutoExit(FALSE);
 
     $this->add(new SiteDirectoriesCommand());
diff --git a/test/Integration/DrallTest.php b/test/Integration/DrallTest.php
index 59ced3a..f625873 100644
--- a/test/Integration/DrallTest.php
+++ b/test/Integration/DrallTest.php
@@ -2,6 +2,7 @@
 
 namespace Drall\Test\Integration;
 
+use Composer\InstalledVersions;
 use Drall\Drall;
 use Drall\IntegrationTestCase;
 
@@ -12,7 +13,8 @@ class DrallTest extends IntegrationTestCase {
 
   public function testVersion() {
     $output = shell_exec('drall --version');
-    $this->assertEquals(Drall::NAME . ' ' . Drall::VERSION . PHP_EOL, $output);
+    $version = InstalledVersions::getPrettyVersion('jigarius/drall');
+    $this->assertEquals(Drall::NAME . ' ' . $version . PHP_EOL, $output);
   }
 
   public function testWorkingDirectory() {
diff --git a/test/Unit/DrallTest.php b/test/Unit/DrallTest.php
index 227589d..64dff70 100644
--- a/test/Unit/DrallTest.php
+++ b/test/Unit/DrallTest.php
@@ -20,15 +20,9 @@ public function testName() {
   public function testVersion() {
     $app = new Drall();
     $this->assertMatchesRegularExpression(
-      '/^\d+\.\d+.\d+(-(alpha|beta|rc)\d+)?$/',
-      $app->getVersion()
+      '/^\d+\.\d+.\d+(-(alpha|beta|rc)\d+)?$|^\d+\.x-dev/',
+      $app->getVersion(),
     );
-
-    $json_path = $this->projectDir() . DIRECTORY_SEPARATOR . 'composer.json';
-    $json_data = json_decode(file_get_contents($json_path));
-
-    $this->assertNotEmpty($json_data->version);
-    $this->assertEquals($json_data->version, $app->getVersion());
   }
 
   public function testDefaultInputOptions() {