diff --git a/reportingSystem/superset_db_sqllite_to_postgres.md b/reportingSystem/superset_db_sqllite_to_postgres.md
index 10fada4..b7f8c61 100644
--- a/reportingSystem/superset_db_sqllite_to_postgres.md
+++ b/reportingSystem/superset_db_sqllite_to_postgres.md
@@ -115,3 +115,8 @@ docker stop superset_4.0.1
 docker restart superset_4.0.1
 ```
 
+5. generate certificate for testing superset
+```shell
+sudo certbot --nginx -d test-reporting-superset.avniproject.org
+sudo certbot renew --cert-name test-reporting-superset.avniproject.org --dry-run
+```
\ No newline at end of file