diff --git a/tests/src/pinterest/ads/test_ad_groups.py b/tests/src/pinterest/ads/test_ad_groups.py
index af61403..8e9935f 100644
--- a/tests/src/pinterest/ads/test_ad_groups.py
+++ b/tests/src/pinterest/ads/test_ad_groups.py
@@ -8,6 +8,7 @@
 from openapi_generated.pinterest_client.model.ad_group_response import AdGroupResponse
 from openapi_generated.pinterest_client.model.ad_group_array_response import AdGroupArrayResponse
 from openapi_generated.pinterest_client.model.ad_group_array_response_element import AdGroupArrayResponseElement
+from openapi_generated.pinterest_client.model.targeting_spec import TargetingSpec
 
 from pinterest.ads.ad_groups import AdGroup
 from pinterest.ads.ads import Ad
@@ -101,9 +102,7 @@ def test_update_ad_group(self, get_mock, update_mock):
         """
         update_mock.__name__ = "ad_groups_update"
         new_name = "SDK_AD_GROUP_NEW_NAME"
-        new_spec = {
-                "GENDER": ["male"]
-        }
+        new_spec = TargetingSpec(gender=["male"])
 
         get_mock.return_value = AdGroupResponse(
             id=self.test_ad_group_id,