diff --git a/Vagrantfile b/Vagrantfile
index c84c3dd9..e12a45ed 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -10,7 +10,7 @@ Vagrant.configure(2) do |config|
   # For a complete reference, please see the online documentation at
   # https://docs.vagrantup.com.
 
-  config.vm.box = "ubuntu/trusty64"
+  config.vm.box = "ubuntu/xenial64"
 
   # On associe le port 80 dans la machine virtuelle avec le port 8080 de notre
   # ordinateur, et le port 8000 avec le port 8000.
diff --git a/cof/urls.py b/cof/urls.py
index 5134456a..b4c4da3c 100644
--- a/cof/urls.py
+++ b/cof/urls.py
@@ -1,24 +1,27 @@
 # -*- coding: utf-8 -*-
 
+"""
+Fichier principal de configuration des urls du projet GestioCOF
+"""
+
 from __future__ import division
 from __future__ import print_function
 from __future__ import unicode_literals
 
+import autocomplete_light
+
 from django.conf import settings
 from django.conf.urls import include, url
 from django.conf.urls.static import static
 from django.contrib import admin
 from django.views.generic.base import TemplateView
-
-import autocomplete_light
-
 from django.contrib.auth import views as django_views
 from django_cas_ng import views as django_cas_views
+
 from gestioncof import views as gestioncof_views, csv_views
 from gestioncof.urls import export_patterns, petitcours_patterns, \
     surveys_patterns, events_patterns, calendar_patterns, \
     clubs_patterns
-
 from gestioncof.autocomplete import autocomplete
 
 autocomplete_light.autodiscover()
@@ -92,4 +95,5 @@ if settings.DEBUG:
 
     # Si on est en production, MEDIA_ROOT est servi par Apache.
     # Il faut dire à Django de servir MEDIA_ROOT lui-même en développement.
-    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
+    urlpatterns += static(settings.MEDIA_URL,
+                          document_root=settings.MEDIA_ROOT)
diff --git a/provisioning/bootstrap.sh b/provisioning/bootstrap.sh
index a873973f..89e8790d 100644
--- a/provisioning/bootstrap.sh
+++ b/provisioning/bootstrap.sh
@@ -8,7 +8,7 @@ DBNAME="cof_gestion"
 DBPASSWD="4KZt3nGPLVeWSvtBZPSM3fSzXpzEU4"
 
 # Installation de paquets utiles
-apt-get update && apt-get install -y mercurial python-pip python-dev \
+apt-get update && apt-get install -y python3-pip python3-dev python3-venv \
 	libmysqlclient-dev libjpeg-dev git redis-server
 pip install -U pip
 
@@ -30,10 +30,10 @@ a2ensite gestiocof
 a2dissite 000-default
 service apache2 restart
 mkdir /var/www/static
-chown -R vagrant:www-data /var/www/static
+chown -R ubuntu:www-data /var/www/static
 
 # Mise en place du .bash_profile pour tout configurer lors du `vagrant ssh`
-cat > ~vagrant/.bash_profile <<EOF
+cat >> ~ubuntu/.bashrc <<EOF
 # On utilise la version de développement de GestioCOF
 export DJANGO_SETTINGS_MODULE='cof.settings_dev'
 
@@ -45,25 +45,29 @@ export DBPASSWD="$DBPASSWD"
 # Permet d'utiliser les utilitaires pythons locaux
 export PATH="\$PATH:\$HOME/.local/bin"
 
+# Charge le virtualenv
+source ~/venv/bin/activate
+
 # On va dans /vagrant où se trouve le code de gestioCOF
 cd /vagrant
 EOF
-chown vagrant: ~vagrant/.bash_profile
 
 # On va dans /vagrant où se trouve gestioCOF
 cd /vagrant
 
-# Installation des dépendances python
-sudo -H -u vagrant pip install --user -r requirements.txt -r requirements-devel.txt
+# Installation du virtualenv, on utilise désormais python3
+sudo -H -u ubuntu python3 -m venv ~ubuntu/venv
+sudo -H -u ubuntu ~ubuntu/venv/bin/pip install -U pip
+sudo -H -u ubuntu ~ubuntu/venv/bin/pip install -r requirements.txt -r requirements-devel.txt
 
 # Préparation de Django
-sudo -H -u vagrant DJANGO_SETTINGS_MODULE='cof.settings_dev' DBUSER=$DBUSER DBNAME=$DBNAME DBPASSWD=$DBPASSWD sh provisioning/prepare_django.sh
+sudo -H -u ubuntu DJANGO_SETTINGS_MODULE='cof.settings_dev' DBUSER=$DBUSER DBNAME=$DBNAME DBPASSWD=$DBPASSWD bash provisioning/prepare_django.sh
 
 # Installation du cron pour les mails de rappels
-sudo -H -u vagrant crontab provisioning/cron.dev
+sudo -H -u ubuntu crontab provisioning/cron.dev
 
 # On installe Daphne et on demande à supervisor de le lancer
-pip install daphne
+sudo -H -u ubuntu ~ubuntu/venv/bin/pip install daphne
 apt-get install -y supervisor
 cp /vagrant/provisioning/supervisor.conf /etc/supervisor/conf.d/gestiocof.conf
 sed "s/{DBUSER}/$DBUSER/"     -i /etc/supervisor/conf.d/gestiocof.conf
diff --git a/provisioning/prepare_django.sh b/provisioning/prepare_django.sh
index 8988e834..c8c80d05 100644
--- a/provisioning/prepare_django.sh
+++ b/provisioning/prepare_django.sh
@@ -1,5 +1,7 @@
+#!/bin/bash
 # Doit être lancé par bootstrap.sh
 
+source ~/venv/bin/activate
 python manage.py migrate
 python manage.py loaddata users root bda gestion sites
 python manage.py collectstatic --noinput
diff --git a/provisioning/supervisor.conf b/provisioning/supervisor.conf
index 4c46b952..c806a13d 100644
--- a/provisioning/supervisor.conf
+++ b/provisioning/supervisor.conf
@@ -1,7 +1,7 @@
 [program:worker]
-command=/usr/bin/python /vagrant/manage.py runworker
+command=/home/ubuntu/venv/bin/python /vagrant/manage.py runworker
 directory=/vagrant/
-user=vagrant
+user=ubuntu
 environment=DBUSER={DBUSER},DBNAME={DBNAME},DBPASSWD={DBPASSWD},DJANGO_SETTINGS_MODULE="cof.settings_dev"
 autostart=true
 autorestart=true
@@ -10,11 +10,11 @@ stopasgroup=true
 redirect_stderr=true
 
 [program:interface]
-command=/usr/local/bin/daphne -b 127.0.0.1 -p 8001 cof.asgi:channel_layer
+command=/home/ubuntu/venv/bin/daphne -b 127.0.0.1 -p 8001 cof.asgi:channel_layer
 environment=DBUSER={DBUSER},DBNAME={DBNAME},DBPASSWD={DBPASSWD},DJANGO_SETTINGS_MODULE="cof.settings_dev"
 directory=/vagrant/
 redirect_stderr=true
 autostart=true
 autorestart=true
 stopasgroup=true
-user=vagrant
+user=ubuntu