diff --git a/ydb_sqlalchemy/dbapi/connection.py b/ydb_sqlalchemy/dbapi/connection.py
index 71b118b..62e22ee 100644
--- a/ydb_sqlalchemy/dbapi/connection.py
+++ b/ydb_sqlalchemy/dbapi/connection.py
@@ -157,6 +157,7 @@ def _create_driver(self):
             endpoint=self.endpoint,
             database=self.database,
             table_client_settings=self._get_table_client_settings(),
+            credentials=ydb.credentials_from_env_variables(),
         )
         driver = self._ydb_driver_class(driver_config)
         try: