diff --git a/scripts/upgrade b/scripts/upgrade
index 5e4172b..1a099d2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -55,6 +55,11 @@ if ynh_legacy_permissions_exists; then
 	ynh_app_setting_delete --app=$app --key=is_public
 fi
 
+# Create a permission if needed
+if ! ynh_permission_exists --permission="api"; then
+	ynh_permission_create --permission="api" --url="/api" --allowed="visitors" --show_tile="false" --protected="true"
+fi
+
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================