diff --git a/scripts/upgrade b/scripts/upgrade
index e4f028b..564845e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -157,6 +157,11 @@ ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
 yunohost service add $app --description="Zero Knowledge realtime collaborative editor" --log="/var/log/$app/$app.log"
 
+#=================================================
+# ADD UPGRADED CONFIG WITH SANDBOX
+#=================================================
+ynh_add_config --template="../conf/config.js" --destination="$final_path/config/config.js"
+
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================