diff --git a/home/templates/base.html b/home/templates/base.html
index e8fcdafc63ea2929200991345cffd31000589a4a..6d1c33c4a8f428417fe9d6591dccfe80d6b17edc 100644
--- a/home/templates/base.html
+++ b/home/templates/base.html
@@ -12,7 +12,7 @@
 		<meta name="keywords" content="Interludes ENS événement COF {% if settings.date_start %}{{ settings.date_start.year }} {% endif %}InterENS">
 		<link rel="icon" type="image/png" href="{% static 'imgs/favicon.ico' %}">
 
-		<link rel="stylesheet" type="text/css" href="{% static 'css/style.css' %}">
+		<link rel="stylesheet" type="text/css" href="{% static 'css/style.css' %}?v={{ constants.CSS_VERSION }}">
 		<link rel="stylesheet" type="text/css" href="{% static 'css/font-awesome-all.min.css' %}">
 		{% block head %}{% endblock %}
 	</head>
diff --git a/site_settings/constants.py b/site_settings/constants.py
index 57751501e96542943e0376939831de803fc88c92..02662ed0f207965ec0bc4203770e1dc9c54101ac 100644
--- a/site_settings/constants.py
+++ b/site_settings/constants.py
@@ -5,3 +5,6 @@ WEBSITE_VERSION_DATE = "2021-04-30"
 WEBSITE_FULL_VERSION = "{} - {}".format(
 	WEBSITE_VERSION, WEBSITE_VERSION_DATE
 )
+
+# Update this to force reload of cached css
+CSS_VERSION = "1.0"