diff --git a/TODO b/TODO
index 52fd8b3..2ef347a 100644
--- a/TODO
+++ b/TODO
@@ -12,8 +12,11 @@ x Faciliter la duplication de distribution
 x Si un produit est en rupture de stock, alors il n'est pas compté dans les totaux
 x Permettre la supression des produits
 x Permettre la suppression de producteurs
+x Ajouter une info « prix mis à jour » pour les référent⋅e⋅s
+
+Gérer le souci d'URL pour l'édition d'Apiluly
+Rendre le formulaire d'édition producteur plus compact
 
-Ajouter une info « prix mis à jour » pour les référent⋅e⋅s
 Gérer les frais de livraison
 
 Rendre plus visible l'action de modifier une commande
diff --git a/copanier/models.py b/copanier/models.py
index a86f2e2..6a2837c 100644
--- a/copanier/models.py
+++ b/copanier/models.py
@@ -1,7 +1,7 @@
 import inspect
 import threading
 import uuid
-from datetime import datetime
+from datetime import datetime, timedelta
 from dataclasses import dataclass, field, asdict
 from pathlib import Path
 from typing import List, Dict
@@ -174,6 +174,10 @@ class Producer(Base):
         products = delivery.get_products_by(self.id)
         return any([not p.rupture for p in products])
 
+    def needs_price_update(self, delivery):
+        products = delivery.get_products_by(self.id)
+        return delivery.products_need_price_update(products)
+
 
 @dataclass
 class Product(Base):
@@ -258,9 +262,10 @@ class Delivery(PersistedBase):
     __lock__ = threading.Lock()
     EMPTY = -1
     CLOSED = 0
-    OPEN = 1
-    ADJUSTMENT = 2
-    ARCHIVED = 3
+    NEED_PRICE_UPDATE = 1
+    OPEN = 2
+    ADJUSTMENT = 3
+    ARCHIVED = 4
 
     name: str
     from_date: datetime_field
@@ -283,12 +288,19 @@ class Delivery(PersistedBase):
             return self.EMPTY
         if self.is_archived:
             return self.ARCHIVED
+        if self.products_need_price_update():
+            return self.NEED_PRICE_UPDATE
         if self.is_open:
             return self.OPEN
         if self.needs_adjustment:
             return self.ADJUSTMENT
         return self.CLOSED
 
+    def products_need_price_update(self, products=None):
+        products = products or self.products
+        max_age = self.from_date.date() - timedelta(days=60)
+        return any([product.last_update.date() < max_age for product in products])
+
     @property
     def has_products(self):
         return len(self.products) > 0
diff --git a/copanier/templates/delivery/show.html b/copanier/templates/delivery/show.html
index 2886e0d..afd7138 100644
--- a/copanier/templates/delivery/show.html
+++ b/copanier/templates/delivery/show.html
@@ -3,7 +3,13 @@
 
 <div class="header">
     <h1>{{ delivery.name }}</h1>
-    <h4>{% if delivery.products %}{% if delivery.status == delivery.OPEN %}Commandes ouvertes jusqu'au {{ delivery.order_before|date }}{% elif delivery.status == delivery.ADJUSTMENT %}Ajustements en cours{% elif delivery.status == delivery.CLOSED %}Fermée{% else %}Archivée{% endif %}{% endif %}.
+    <h4>{% if delivery.products %}
+        {% if delivery.status == delivery.OPEN %}Commandes ouvertes jusqu'au {{ delivery.order_before|date }}
+        {% elif delivery.status == delivery.ADJUSTMENT %}Ajustements en cours
+        {% elif delivery.status == delivery.CLOSED %}Fermée
+        {% elif delivery.status == delivery.ARCHIVED %}Archivée
+        {% elif delivery.status == delivery.NEED_PRICE_UPDATE %}Mise à jour des prix*
+        {% endif %}{% endif %}
         {% include "includes/order_button.html" %}
     </h4>
     <h4>
@@ -46,6 +52,11 @@
 
 <article class="delivery">
 {% if delivery.has_products %}
+    {% for (id, producer) in delivery.get_producers_for_referent(request.user.email).items() %}
+    {% if producer.needs_price_update(delivery) %}
+    <p class="notification info">Merci de <a href="/distribution/{{ delivery.id}}/{{ producer.id}}/éditer">mettre à jour les prix pour « {{ producer.name }} ».</a></p>
+    {% endif %}
+    {% endfor %}
     {% include "includes/delivery_table.html" %}
 {% else %}
 <div class="placeholder">
diff --git a/copanier/templates/includes/delivery_table.html b/copanier/templates/includes/delivery_table.html
index e0f26c3..099bc06 100644
--- a/copanier/templates/includes/delivery_table.html
+++ b/copanier/templates/includes/delivery_table.html
@@ -6,6 +6,7 @@
 {% for producer in producers %}
     {% set producer_obj = delivery.producers[producer] %}
     <h2>{{ producer_obj.name }}
+        {% if producer_obj.needs_price_update(delivery) %}*{% endif %}
         {% if edit_mode or request.user.is_staff or producer_obj.referent == request.user.email %}
             <span class="edit">
             <a class="button" href="/distribution/{{ delivery.id }}/{{ producer_obj.id }}/éditer"><i class="icon-ribbon"></i>&nbsp; Gérer ce⋅tte producteur⋅rice</a>
diff --git a/copanier/templates/products/edit_producer.html b/copanier/templates/products/edit_producer.html
index 8ec57fb..8c4d31f 100644
--- a/copanier/templates/products/edit_producer.html
+++ b/copanier/templates/products/edit_producer.html
@@ -13,19 +13,27 @@
             <li class="pure-menu-item">
                 <a class="pure-menu-link" href="/distribution/{{ delivery.id}}/{{ producer.id }}/supprimer">Supprimer</a>
             </li>
+            {% if producer.needs_price_update(delivery) %}
+            <li class="pure-menu-item">
+                <a class="pure-menu-link" href="/distribution/{{ delivery.id}}/{{ producer.id }}/valider-prix">Marquer les prix comme OK</a>
+            </li>
+            {% endif %}
         </ul>
     </div>
 {% else %}
     <h1>Ajouter un⋅e producteur⋅rice</h1>
 {% endif %}
 </div>
+{% if producer.needs_price_update(delivery) %}
+<p class="notification info">Les prix pour {{ producer.name }} ont besoin d'être validés.</p>
+{% endif %}
 <form method="post">
     {% if producer.id %}
     <input type="hidden" name="id" value="{{ producer.id }}">
     {% else %}
     <label>
         <p>Nom</p>
-        <input type="text" name="name" value="{{ producer.name or '' }}">
+        <input type="text" name="name" value="{{ proneeds_price_updateducer.name or '' }}">
     </label>
     {% endif %}
     <label>
@@ -54,7 +62,12 @@
 </form>
 
 {% if products %}
-<h3>Produits <a class="button" href="/distribution/{{ delivery.id}}/{{ producer.id }}/ajouter-produit">Ajouter un produit</a></h3>
+<h3>Produits
+    <a class="button" href="/distribution/{{ delivery.id}}/{{ producer.id }}/ajouter-produit">Ajouter un produit</a>
+    {% if producer.needs_price_update(delivery) %}
+        <a class="button" href="/distribution/{{ delivery.id}}/{{ producer.id }}/valider-prix">Marquer les prix comme OK</a>
+    {% endif %}
+</h3>
 <p>Vous pouvez éditer les produits en cliquant sur leur nom.</p>
 <table class="pure-table">
     <thead>
diff --git a/copanier/views/products.py b/copanier/views/products.py
index a552a11..b3ec0e5 100644
--- a/copanier/views/products.py
+++ b/copanier/views/products.py
@@ -1,3 +1,5 @@
+from datetime import datetime
+
 from slugify import slugify
 from .core import app
 from ..models import Delivery, Product, Producer
@@ -161,6 +163,34 @@ async def edit_product(request, response, delivery_id, producer_id, product_ref)
     )
 
 
+@app.route("/distribution/{delivery_id}/{producer_id}/valider-prix", methods=["GET"])
+async def mark_prices_as_ok(request, response, delivery_id, producer_id):
+    delivery = Delivery.load(delivery_id)
+    producer = delivery.producers.get(producer_id)
+
+    for product in delivery.products:
+        if product.producer == producer_id:
+            product.last_update = datetime.now()
+    delivery.persist()
+
+    response.message(
+        f"Les prix ont été marqués comme OK pour « { producer.name } », merci !"
+    )
+    response.redirect = f"/distribution/{delivery_id}/{producer_id}/éditer"
+
+
+@app.route("/distribution/{delivery_id}/valider-prix", methods=["GET"])
+async def mark_prices_as_ok(request, response, delivery_id):
+    delivery = Delivery.load(delivery_id)
+
+    for product in delivery.products:
+        product.last_update = datetime.now()
+    delivery.persist()
+
+    response.message(f"Les prix ont été marqués comme OK pour toute la distribution !")
+    response.redirect = f"/distribution/{delivery_id}/produits"
+
+
 @app.route(
     "/distribution/{delivery_id}/{producer_id}/{product_ref}/supprimer", methods=["GET"]
 )