diff --git a/odoo_whatsapp_hub.zip b/odoo_whatsapp_hub.zip
index d4938b0..589ddd4 100644
Binary files a/odoo_whatsapp_hub.zip and b/odoo_whatsapp_hub.zip differ
diff --git a/odoo_whatsapp_hub/__manifest__.py b/odoo_whatsapp_hub/__manifest__.py
index 8566e30..674b972 100644
--- a/odoo_whatsapp_hub/__manifest__.py
+++ b/odoo_whatsapp_hub/__manifest__.py
@@ -16,13 +16,13 @@
     'license': 'LGPL-3',
     'depends': ['base', 'contacts', 'mail'],
     'data': [
-        'security/ir.model.access.csv',
         'data/whatsapp_data.xml',
         'views/whatsapp_menu.xml',
         'views/whatsapp_account_views.xml',
         'views/whatsapp_conversation_views.xml',
         'views/res_partner_views.xml',
         'wizards/send_whatsapp_wizard.xml',
+        'security/ir_model_access.xml',
     ],
     'assets': {
         'web.assets_backend': [
diff --git a/odoo_whatsapp_hub/security/ir.model.access.csv b/odoo_whatsapp_hub/security/ir.model.access.csv
deleted file mode 100644
index edcc272..0000000
--- a/odoo_whatsapp_hub/security/ir.model.access.csv
+++ /dev/null
@@ -1,9 +0,0 @@
-id,name,model_id/id,group_id/id,perm_read,perm_write,perm_create,perm_unlink
-access_whatsapp_account_user,whatsapp.account.user,odoo_whatsapp_hub.model_whatsapp_account,base.group_user,1,0,0,0
-access_whatsapp_account_manager,whatsapp.account.manager,odoo_whatsapp_hub.model_whatsapp_account,base.group_system,1,1,1,1
-access_whatsapp_conversation_user,whatsapp.conversation.user,odoo_whatsapp_hub.model_whatsapp_conversation,base.group_user,1,1,1,0
-access_whatsapp_conversation_manager,whatsapp.conversation.manager,odoo_whatsapp_hub.model_whatsapp_conversation,base.group_system,1,1,1,1
-access_whatsapp_message_user,whatsapp.message.user,odoo_whatsapp_hub.model_whatsapp_message,base.group_user,1,1,1,0
-access_whatsapp_message_manager,whatsapp.message.manager,odoo_whatsapp_hub.model_whatsapp_message,base.group_system,1,1,1,1
-access_whatsapp_send_wizard,whatsapp.send.wizard,odoo_whatsapp_hub.model_whatsapp_send_wizard,base.group_user,1,1,1,1
-access_whatsapp_mass_wizard,whatsapp.mass.wizard,odoo_whatsapp_hub.model_whatsapp_mass_wizard,base.group_user,1,1,1,1
diff --git a/odoo_whatsapp_hub/security/ir_model_access.xml b/odoo_whatsapp_hub/security/ir_model_access.xml
new file mode 100644
index 0000000..7618eb6
--- /dev/null
+++ b/odoo_whatsapp_hub/security/ir_model_access.xml
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data noupdate="0">
+        <!-- WhatsApp Account Access -->
+        <record id="access_whatsapp_account_user" model="ir.model.access">
+            <field name="name">whatsapp.account.user</field>
+            <field name="model_id" ref="model_whatsapp_account"/>
+            <field name="group_id" ref="base.group_user"/>
+            <field name="perm_read" eval="1"/>
+            <field name="perm_write" eval="0"/>
+            <field name="perm_create" eval="0"/>
+            <field name="perm_unlink" eval="0"/>
+        </record>
+        <record id="access_whatsapp_account_manager" model="ir.model.access">
+            <field name="name">whatsapp.account.manager</field>
+            <field name="model_id" ref="model_whatsapp_account"/>
+            <field name="group_id" ref="base.group_system"/>
+            <field name="perm_read" eval="1"/>
+            <field name="perm_write" eval="1"/>
+            <field name="perm_create" eval="1"/>
+            <field name="perm_unlink" eval="1"/>
+        </record>
+
+        <!-- WhatsApp Conversation Access -->
+        <record id="access_whatsapp_conversation_user" model="ir.model.access">
+            <field name="name">whatsapp.conversation.user</field>
+            <field name="model_id" ref="model_whatsapp_conversation"/>
+            <field name="group_id" ref="base.group_user"/>
+            <field name="perm_read" eval="1"/>
+            <field name="perm_write" eval="1"/>
+            <field name="perm_create" eval="1"/>
+            <field name="perm_unlink" eval="0"/>
+        </record>
+        <record id="access_whatsapp_conversation_manager" model="ir.model.access">
+            <field name="name">whatsapp.conversation.manager</field>
+            <field name="model_id" ref="model_whatsapp_conversation"/>
+            <field name="group_id" ref="base.group_system"/>
+            <field name="perm_read" eval="1"/>
+            <field name="perm_write" eval="1"/>
+            <field name="perm_create" eval="1"/>
+            <field name="perm_unlink" eval="1"/>
+        </record>
+
+        <!-- WhatsApp Message Access -->
+        <record id="access_whatsapp_message_user" model="ir.model.access">
+            <field name="name">whatsapp.message.user</field>
+            <field name="model_id" ref="model_whatsapp_message"/>
+            <field name="group_id" ref="base.group_user"/>
+            <field name="perm_read" eval="1"/>
+            <field name="perm_write" eval="1"/>
+            <field name="perm_create" eval="1"/>
+            <field name="perm_unlink" eval="0"/>
+        </record>
+        <record id="access_whatsapp_message_manager" model="ir.model.access">
+            <field name="name">whatsapp.message.manager</field>
+            <field name="model_id" ref="model_whatsapp_message"/>
+            <field name="group_id" ref="base.group_system"/>
+            <field name="perm_read" eval="1"/>
+            <field name="perm_write" eval="1"/>
+            <field name="perm_create" eval="1"/>
+            <field name="perm_unlink" eval="1"/>
+        </record>
+
+        <!-- WhatsApp Wizards Access -->
+        <record id="access_whatsapp_send_wizard" model="ir.model.access">
+            <field name="name">whatsapp.send.wizard</field>
+            <field name="model_id" ref="model_whatsapp_send_wizard"/>
+            <field name="group_id" ref="base.group_user"/>
+            <field name="perm_read" eval="1"/>
+            <field name="perm_write" eval="1"/>
+            <field name="perm_create" eval="1"/>
+            <field name="perm_unlink" eval="1"/>
+        </record>
+        <record id="access_whatsapp_mass_wizard" model="ir.model.access">
+            <field name="name">whatsapp.mass.wizard</field>
+            <field name="model_id" ref="model_whatsapp_mass_wizard"/>
+            <field name="group_id" ref="base.group_user"/>
+            <field name="perm_read" eval="1"/>
+            <field name="perm_write" eval="1"/>
+            <field name="perm_create" eval="1"/>
+            <field name="perm_unlink" eval="1"/>
+        </record>
+    </data>
+</odoo>