diff --git a/src/spaceone/cost_analysis/plugin/data_source/service/cost_service.py b/src/spaceone/cost_analysis/plugin/data_source/service/cost_service.py
index 25714676..6f6f990d 100644
--- a/src/spaceone/cost_analysis/plugin/data_source/service/cost_service.py
+++ b/src/spaceone/cost_analysis/plugin/data_source/service/cost_service.py
@@ -1,6 +1,7 @@
 import logging
 from typing import Generator, Union
-from spaceone.core.service import BaseService, transaction, convert_model
+from spaceone.core.service import BaseService, transaction
+from spaceone.core.service.utils import convert_model
 from spaceone.cost_analysis.plugin.data_source.model import (CostGetDataRequest, CostsResponse)
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/src/spaceone/cost_analysis/plugin/data_source/service/data_source_service.py b/src/spaceone/cost_analysis/plugin/data_source/service/data_source_service.py
index 1c9d596b..aa152927 100644
--- a/src/spaceone/cost_analysis/plugin/data_source/service/data_source_service.py
+++ b/src/spaceone/cost_analysis/plugin/data_source/service/data_source_service.py
@@ -1,6 +1,7 @@
 import logging
 from typing import Union
-from spaceone.core.service import BaseService, transaction, convert_model
+from spaceone.core.service import BaseService, transaction
+from spaceone.core.service.utils import convert_model
 from spaceone.cost_analysis.plugin.data_source.model import (DataSourceInitRequest, DataSourceVerifyRequest,
                                                              PluginResponse)
 
diff --git a/src/spaceone/cost_analysis/plugin/data_source/service/job_service.py b/src/spaceone/cost_analysis/plugin/data_source/service/job_service.py
index 18f15990..d4e21379 100644
--- a/src/spaceone/cost_analysis/plugin/data_source/service/job_service.py
+++ b/src/spaceone/cost_analysis/plugin/data_source/service/job_service.py
@@ -1,6 +1,7 @@
 import logging
 from typing import Union
-from spaceone.core.service import BaseService, transaction, convert_model
+from spaceone.core.service import BaseService, transaction
+from spaceone.core.service.utils import convert_model
 from spaceone.cost_analysis.plugin.data_source.model import (JobGetTaskRequest, TasksResponse)
 
 _LOGGER = logging.getLogger(__name__)