diff --git a/src/Exception.php b/src/Exception.php
index 5bde919..9fa11e0 100644
--- a/src/Exception.php
+++ b/src/Exception.php
@@ -36,6 +36,11 @@ class Exception extends BaseException
 	 */
 	public const FOLDER_EMPTY = -5;
 
+	/**
+	 * Invalid version number provided
+	 */
+	public const VERSION_NUMBER = -6;
+
 	/**
 	 * Trying to rollback a migration that isn't applied
 	 */