diff --git a/composer.json b/composer.json
index e8f2f44820..48244a912e 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "sylius/sylius",
     "type": "library",
-    "version": "v1.12.0-rc.1",
+    "version": "v1.12.0-dev",
     "description": "E-Commerce platform for PHP, based on Symfony framework.",
     "homepage": "https://sylius.com",
     "license": "MIT",
diff --git a/src/Sylius/Bundle/CoreBundle/SyliusCoreBundle.php b/src/Sylius/Bundle/CoreBundle/SyliusCoreBundle.php
index 18368c818a..aa54e3910d 100644
--- a/src/Sylius/Bundle/CoreBundle/SyliusCoreBundle.php
+++ b/src/Sylius/Bundle/CoreBundle/SyliusCoreBundle.php
@@ -36,7 +36,7 @@ use Symfony\Component\DependencyInjection\ContainerBuilder;
 
 final class SyliusCoreBundle extends AbstractResourceBundle
 {
-    public const VERSION = '1.12.0-RC.1';
+    public const VERSION = '1.12.0-DEV';
 
     public const VERSION_ID = '11200';
 
@@ -46,7 +46,7 @@ final class SyliusCoreBundle extends AbstractResourceBundle
 
     public const RELEASE_VERSION = '0';
 
-    public const EXTRA_VERSION = 'RC.1';
+    public const EXTRA_VERSION = 'DEV';
 
     public function getSupportedDrivers(): array
     {