diff --git a/README.rst b/README.rst
index f9ed603..d18f680 100644
--- a/README.rst
+++ b/README.rst
@@ -9,11 +9,33 @@ pip install mds-cashbook-dataexchange
 
 Requires
 ========
-- Tryton 7.0
+- Tryton 6.0
 
 Changes
 =======
 
-*7.0.0 - 01.12.2023*
+*6.0.5 - 06.06.2023*
 
-- compatibility to Tryton 7.0
+- optimize code
+
+*6.0.4 - 14.02.2023*
+
+- fix: test
+
+*6.0.3 - 13.09.2022*
+
+- add: import of split-bookings
+- updt: transfers
+
+*6.0.2 - 05.09.2022*
+
+- category: qif-export
+- party, transactions: qif-import/export
+
+*6.0.1 - 31.08.2022*
+
+- add: qif - category - import
+
+*6.0.0 - 28.08.2022*
+
+- init
diff --git a/setup.py b/setup.py
index e212258..8f8725e 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@ 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 = ['python-slugify']
diff --git a/tests/__init__.py b/tests/__init__.py
index cf7e957..9ca41fe 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -2,3 +2,17 @@
 # This file is part of the cashbook-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 CashbookExchangeTestCase
+
+__all__ = ['suite']
+
+
+def suite():
+    suite = trytond.tests.test_tryton.suite()
+    suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
+        CashbookExchangeTestCase))
+    return suite
diff --git a/tests/test_module.py b/tests/test_module.py
index 42fe0a0..a65b349 100644
--- a/tests/test_module.py
+++ b/tests/test_module.py
@@ -4,6 +4,7 @@
 # full copyright notices and license terms.
 
 
+from trytond.tests.test_tryton import ModuleTestCase
 from trytond.modules.cashbook.tests.test_module import CashbookTestCase
 from .category import CategoryTestCase
 from .party import PartyTestCase
@@ -14,11 +15,12 @@ class CashbookExchangeTestCase(
         CashbookTestCase,
         CategoryTestCase,
         PartyTestCase,
-        TransactionTestCase):
+        TransactionTestCase,
+        ModuleTestCase):
     'Test cashbook exchange module'
     module = 'cashbook_dataexchange'
 
 # end CashbookExchangeTestCase
 
 
-del CashbookTestCase
+del ModuleTestCase
diff --git a/tryton.cfg b/tryton.cfg
index c0d91af..9c2b32e 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=7.0.0
+version=6.0.5
 depends:
     cashbook
 xml:
diff --git a/versiondep.txt b/versiondep.txt
index bae9199..834317e 100644
--- a/versiondep.txt
+++ b/versiondep.txt
@@ -1 +1 @@
-cashbook;7.0.31;7.0.999;mds
+cashbook;6.0.28;6.0.999;mds