diff --git a/product_rental_security_deposit/__init__.py b/product_rental_security_deposit/__init__.py
new file mode 100755
index 0000000..cde864b
--- /dev/null
+++ b/product_rental_security_deposit/__init__.py
@@ -0,0 +1,3 @@
+# -*- coding: utf-8 -*-
+
+from . import models
diff --git a/product_rental_security_deposit/__manifest__.py b/product_rental_security_deposit/__manifest__.py
new file mode 100755
index 0000000..4bb5430
--- /dev/null
+++ b/product_rental_security_deposit/__manifest__.py
@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+{
+    "name": "Product Rental Security Deposit",
+    "category": "Product",
+    "version": "14.0.1.0",
+    "summary": "Manage security deposits in your rental contracts",
+    "author": "Elabore",
+    "website": "https://elabore.coop/",
+    "installable": True,
+    "application": False,
+    "auto_install": False,
+    "description": """
+===============================
+Product Rental Security Deposit
+===============================
+This module allows to manage security deposits in rental contracts.
+
+Installation
+============
+Just install product_rental_security_deposit, all dependencies will be installed by default.
+
+Known issues / Roadmap
+======================
+
+Bug Tracker
+===========
+Bugs are tracked on `GitHub Issues
+<https://github.com/elabore-coop/.../issues>`_. In case of trouble, please
+check there if your issue has already been reported. If you spotted it first,
+help us smashing it by providing a detailed and welcomed feedback.
+
+Credits
+=======
+
+Images
+------
+* Elabore: `Icon <https://elabore.coop/web/image/res.company/1/logo?unique=f3db262>`_.
+
+Contributors
+------------
+* Stéphan Sainléger <https://github.com/stephansainleger>
+
+Funders
+-------
+The development of this module has been financially supported by:
+* Elabore (https://elabore.coop)
+
+Maintainer
+----------
+This module is maintained by ELABORE.
+
+""",
+    "depends": [
+        "product_rental_bookings",
+    ],
+    "data": [
+        "views/product_contract.xml",
+    ],
+    "qweb": [],
+}
diff --git a/product_rental_security_deposit/i18n/fr.po b/product_rental_security_deposit/i18n/fr.po
new file mode 100644
index 0000000..47b847d
--- /dev/null
+++ b/product_rental_security_deposit/i18n/fr.po
@@ -0,0 +1,22 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* product_rental_inspection
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 14.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-29 14:44+0000\n"
+"PO-Revision-Date: 2021-09-29 14:44+0000\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+
+#. module: product_rental_security_deposit
+#: model:ir.model.fields,field_description:product_rental_security_deposit.field_rental_product_contract__security_deposit
+msgid "Security Deposit"
+msgstr "Caution"
\ No newline at end of file
diff --git a/product_rental_security_deposit/models/__init__.py b/product_rental_security_deposit/models/__init__.py
new file mode 100644
index 0000000..9f10caf
--- /dev/null
+++ b/product_rental_security_deposit/models/__init__.py
@@ -0,0 +1,3 @@
+# -*- coding: utf-8 -*-
+
+from . import product_contract
diff --git a/product_rental_security_deposit/models/product_contract.py b/product_rental_security_deposit/models/product_contract.py
new file mode 100644
index 0000000..aff23d4
--- /dev/null
+++ b/product_rental_security_deposit/models/product_contract.py
@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+
+from logging import setLogRecordFactory
+from odoo import fields, api, models, _
+
+
+class RentalProductContract(models.Model):
+    _inherit = "rental.product.contract"
+
+    security_deposit = fields.Monetary(string=_("Security Deposit"))
+
+    @api.onchange("security_deposit")
+    def add_security_deposit(self):
+        if self.security_deposit and self.product_contract_lines_ids:
+            line_id = self.product_contract_lines_ids.filtered(
+                lambda x: x.description == "Deposit"
+            )
+            if line_id:
+                line_id.price = self.security_deposit
+            else:
+                self.write(
+                    {
+                        "product_contract_lines_ids": [
+                            (
+                                0,
+                                0,
+                                {
+                                    "description": "Deposit",
+                                    "enter_days": 1.0,
+                                    "price": self.security_deposit,
+                                },
+                            )
+                        ]
+                    }
+                )
+
+    @api.depends("product_contract_lines_ids", "security_deposit")
+    def _compute_amount(self):
+        super(RentalProductContract, self)._compute_amount()
diff --git a/product_rental_security_deposit/views/product_contract.xml b/product_rental_security_deposit/views/product_contract.xml
new file mode 100644
index 0000000..d9dc3d7
--- /dev/null
+++ b/product_rental_security_deposit/views/product_contract.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<odoo>
+    <data>
+        <record id='rental_product_contract_deposit_form' model="ir.ui.view">
+            <field name="name">Rental Contracts Deposit</field>
+            <field name="model">rental.product.contract</field>
+            <field name="inherit_id" ref="product_rental_bookings.rental_product_contract_form" />
+            <field name="arch" type="xml">
+                <xpath expr="//field[@name='account_payment_term']" position="after">
+                    <field name="security_deposit" widget="monetary" options="{'currency_field': 'currency_id'}" invisible="1" />
+                </xpath>
+            </field>
+        </record>
+    </data>
+</odoo>
\ No newline at end of file