diff --git a/dags/OSV.py b/dags/OSV.py
index ec62d87..dd3751f 100644
--- a/dags/OSV.py
+++ b/dags/OSV.py
@@ -133,7 +133,7 @@ def read_data_1C(**kwargs):
                 index=False,
                 method='multi'
             )
-            conn.execute(f"DELETE FROM public.{table_name}")
+            conn.execute(f"DELETE FROM public.{table_name} where get_date in (select distinct get_date from temp_{table_name})")
             conn.execute(f"""
             INSERT INTO public.{table_name}
             SELECT