diff --git a/account_bank_statement_import_ccoop/__manifest__.py b/account_bank_statement_import_ccoop/__manifest__.py
index bb6cb8f..7bd9f99 100644
--- a/account_bank_statement_import_ccoop/__manifest__.py
+++ b/account_bank_statement_import_ccoop/__manifest__.py
@@ -22,7 +22,7 @@
     * For CSV published by Crédit Coopératif on their website customer space ;
     * Adds option on bank import statement wizard ;
     * Checks and processes file.""",
-    'version': '15.0.0.1.3',
+    'version': '12.0.0.1.3',
     'category': 'Banking addons',
     'author': 'Fabien Bourgeois',
     'license': 'AGPL-3',
diff --git a/grant_followup/__manifest__.py b/grant_followup/__manifest__.py
index 5ac3d34..05391a5 100644
--- a/grant_followup/__manifest__.py
+++ b/grant_followup/__manifest__.py
@@ -20,7 +20,7 @@
     'name': 'Grants follow-ups',
     'summary': 'Grants follow-ups ',
     'description': 'Grants follow-ups ',
-    'version': '15.0.1.0.0',
+    'version': '12.0.1.0.0',
     'category': 'Membership',
     'author': 'Fabien Bourgeois, Youssef ELOUAHBY',
     'license': 'AGPL-3',
diff --git a/xml_dsl/__manifest__.py b/xml_dsl/__manifest__.py
index 1da1616..82dee1a 100644
--- a/xml_dsl/__manifest__.py
+++ b/xml_dsl/__manifest__.py
@@ -19,11 +19,11 @@
     'name': 'Odoo XML DSL base module and fns',
     'summary': 'Odoo XML Domain Specific Language base module and functions',
     'description': """ Odoo XML Domain Specific Language base module and functions """,
-    'version': '15.0.0.1.0',
+    'version': '12.0.0.1.0',
     'category': 'Yaltik',
     'author': 'Fabien Bourgeois',
     'license': 'AGPL-3',
     'application': False,
-    'installable': False,
+    'installable': True,
     'depends': ['base']
 }
diff --git a/yaltik_dsl/__manifest__.py b/yaltik_dsl/__manifest__.py
index 0425a02..0323b03 100644
--- a/yaltik_dsl/__manifest__.py
+++ b/yaltik_dsl/__manifest__.py
@@ -19,11 +19,11 @@
     'name': 'Yaltik Odoo DSL base module and fns',
     'summary': 'Yaltik Odoo Domain Specific Language base module and functions',
     'description': """ Yaltik Odoo Domain Specific Language base module and functions """,
-    'version': '15.0.0.4.1',
+    'version': '12.0.0.4.1',
     'category': 'Yaltik',
     'author': 'Fabien Bourgeois',
     'license': 'AGPL-3',
     'application': False,
-    'installable': False,
+    'installable': True,
     'depends': ['base']
 }