diff --git a/README.rst b/README.rst
index c95392e..c983c7a 100644
--- a/README.rst
+++ b/README.rst
@@ -9,12 +9,12 @@ pip install mds-document-incoming-invoice-xml
 
 Requires
 ========
-- Tryton 7.0
+- Tryton 6.0
 
 
 Changes
 =======
 
-*7.0.0 - 19.12.2024*
+*6.0.0 - 23.01.2025*
 
 - init
diff --git a/setup.py b/setup.py
index 06fd569..23f4c09 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@ with open(path.join(here, 'versiondep.txt'), encoding='utf-8') as f:
         modversion[l2[0]] = {'min': l2[1], 'max': l2[2], 'prefix': l2[3]}
 
 # tryton-version
-major_version = 7
+major_version = 6
 minor_version = 0
 
 requires = ['pypdf', 'factur-x', 'lxml']
diff --git a/tests/__init__.py b/tests/__init__.py
index 065d6a1..136cce3 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -2,3 +2,18 @@
 # This file is part of the document-incoming-invoice-xml-module
 # from m-ds for Tryton. The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
+
+
+import trytond.tests.test_tryton
+import unittest
+from .test_module import XmlIncomingTestCase
+
+
+__all__ = ['suite']
+
+
+def suite():
+    suite = trytond.tests.test_tryton.suite()
+    suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
+        XmlIncomingTestCase))
+    return suite
diff --git a/tryton.cfg b/tryton.cfg
index db07b00..ce251a6 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=7.0.0
+version=6.0.0
 depends:
     document_incoming_invoice
     edocument_unece
diff --git a/versiondep.txt b/versiondep.txt
index e69de29..208ad7f 100644
--- a/versiondep.txt
+++ b/versiondep.txt
@@ -0,0 +1 @@
+document_incoming_invoice;6.0.0;6.0.999;mds