diff --git a/scripts/upgrade b/scripts/upgrade
index 2dd3d32..c889e65 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -39,6 +39,11 @@ if [[ -z "${service:-}" ]]; then
 	service="$app-web.service"
 	ynh_app_setting_set --app="$app" --key=service --value="$service"
 fi
+# Set `redis_namespace` settings
+if [[ -z "${redis_namespace:-}" ]]; then
+	redis_namespace=${app}_production
+	ynh_app_setting_set --app="$app" --key=redis_namespace --value="$redis_namespace"
+fi
 
 # Remove previous added repository
 ynh_remove_extra_repo