diff --git a/src/PcmBadgeBundle.php b/src/PcmBadgeBundle.php
index e67c69c..bfbda3a 100644
--- a/src/PcmBadgeBundle.php
+++ b/src/PcmBadgeBundle.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Pcm\BadgeBundle;
 
 use Pcm\BadgeBundle\Twig\Component\Badge;
+use Symfony\Component\Config\Definition\Configurator\DefinitionConfigurator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
 use Symfony\Component\HttpKernel\Bundle\AbstractBundle;
@@ -32,5 +33,13 @@ final class PcmBadgeBundle extends AbstractBundle
             ->arg('$baseClasses', $config['base_classes'])
         ;
     }
+
+    public function configure(DefinitionConfigurator $definition): void
+    {
+        /**
+         * Import the config definition (see definition.php)
+         */
+        $definition->import('../config/definition.php');
+    }
 }