diff --git a/src/AutoMapper.php b/src/AutoMapper.php
index 655551c..9373abd 100644
--- a/src/AutoMapper.php
+++ b/src/AutoMapper.php
@@ -35,7 +35,7 @@
  */
 class AutoMapper implements AutoMapperInterface, AutoMapperRegistryInterface
 {
-    public const VERSION = '9.1.0';
+    public const VERSION = '10.0.0-dev';
 
     /** @var array<GeneratedMapper<object, object>|GeneratedMapper<array<mixed>, object>|GeneratedMapper<object, array<mixed>>> */
     private array $mapperRegistry = [];