diff --git a/hr_employee_age/__manifest__.py b/hr_employee_age/__manifest__.py
index f97af4916c92..2ff1387747e8 100644
--- a/hr_employee_age/__manifest__.py
+++ b/hr_employee_age/__manifest__.py
@@ -20,7 +20,7 @@
 
 {
     "name": "Employee Age",
-    'version': '8.0.1.0.0',
+    'version': '10.0.1.0.0',
     'license': 'AGPL-3',
     'author': "Salton Massally <smassally@idtlabs.sl>, "
                "Odoo Community Association (OCA)",
@@ -33,5 +33,5 @@
     "data": [
         'views/hr_employee.xml',
     ],
-    'installable': False,
+    'installable': True,
 }
diff --git a/hr_employee_age/models/hr_employee.py b/hr_employee_age/models/hr_employee.py
index 5716f250a62e..3fbe96e74c48 100644
--- a/hr_employee_age/models/hr_employee.py
+++ b/hr_employee_age/models/hr_employee.py
@@ -17,25 +17,27 @@
 #    along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
 ###############################################################################
-from datetime import datetime
 
-from openerp import fields, models, api
-from openerp.tools import DEFAULT_SERVER_DATE_FORMAT as OE_DFORMAT
+from odoo import api, fields, models
+from dateutil.relativedelta import relativedelta
 
 
 class HrEmployee(models.Model):
     _inherit = 'hr.employee'
 
     age = fields.Integer(
-        'Age',
+        string='Age',
         readonly=True,
         compute='_compute_age'
     )
 
-    @api.one
+    @api.multi
+    @api.depends('birthday')
     def _compute_age(self):
-        if self.birthday:
-            dBday = datetime.strptime(self.birthday, OE_DFORMAT).date()
-            dToday = datetime.now().date()
-            self.age = dToday.year - dBday.year - ((
-                dToday.month, dToday.day) < (dBday.month, dBday.day))
+        for record in self:
+            if record.birthday:
+                record.age = relativedelta(
+                    fields.Date.from_string(fields.Date.today()),
+                    fields.Date.from_string(record.birthday)).years
+            else:
+                record.age = 0
diff --git a/hr_employee_age/views/hr_employee.xml b/hr_employee_age/views/hr_employee.xml
index 7bcffec0be88..ca101e5bd8dc 100644
--- a/hr_employee_age/views/hr_employee.xml
+++ b/hr_employee_age/views/hr_employee.xml
@@ -1,19 +1,12 @@
-<?xml version="1.0" encoding="utf-8"?>
-<openerp>
-    <data>
-        
-        <record id="hr_employee_view_form" model="ir.ui.view">
-            <field name="name">hr.employee.view.form</field>
-            <field name="model">hr.employee</field>
-            <field name="inherit_id" ref="hr.view_employee_form"/>
-            <field name="arch" type="xml">
-                <data>
-                    <xpath expr="//field[@name='birthday']" position="after">
-                        <field name="age"/>
-                    </xpath>
-                </data>
-            </field>
-        </record>
-
-    </data>
-</openerp>
+<odoo>
+    <record id="hr_employee_view_form" model="ir.ui.view">
+        <field name="name">hr.employee.view.form</field>
+        <field name="model">hr.employee</field>
+        <field name="inherit_id" ref="hr.view_employee_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='birthday']" position="after">
+                <field name="age"/>
+            </xpath>
+        </field>
+    </record>
+</odoo>