diff --git a/src/MartinGeorgiev/Doctrine/DBAL/Type.php b/src/MartinGeorgiev/Doctrine/DBAL/Type.php
new file mode 100644
index 00000000..e448ac62
--- /dev/null
+++ b/src/MartinGeorgiev/Doctrine/DBAL/Type.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MartinGeorgiev\Doctrine\DBAL;
+
+enum Type
+{
+    public const BIGINT_ARRAY = 'bigint[]';
+}
diff --git a/src/MartinGeorgiev/Doctrine/DBAL/Types/BigIntArray.php b/src/MartinGeorgiev/Doctrine/DBAL/Types/BigIntArray.php
index c4931433..4a5bf0c1 100644
--- a/src/MartinGeorgiev/Doctrine/DBAL/Types/BigIntArray.php
+++ b/src/MartinGeorgiev/Doctrine/DBAL/Types/BigIntArray.php
@@ -4,6 +4,8 @@
 
 namespace MartinGeorgiev\Doctrine\DBAL\Types;
 
+use MartinGeorgiev\Doctrine\DBAL\Type;
+
 /**
  * Implementation of PostgreSQL BIGINT[] data type.
  *
@@ -17,7 +19,7 @@ class BigIntArray extends BaseIntegerArray
     /**
      * @var string
      */
-    protected const TYPE_NAME = 'bigint[]';
+    protected const TYPE_NAME = Type::BIGINT_ARRAY;
 
     protected function getMinValue(): int
     {