diff --git a/csv/load_diploma.py b/csv/load_diploma.py
index 4530aab..ca475ec 100644
--- a/csv/load_diploma.py
+++ b/csv/load_diploma.py
@@ -12,7 +12,7 @@ if __name__ == '__main__':
     with open('./achievement/achievement.csv') as achievements_csv:
         achievements_reader = csv.DictReader(achievements_csv)
         for row in achievements_reader:
-            Achievements.objects.get_or_create(**row)
+            Achievements.objects.update_or_create(**row)
 
     with open('./achievement/user_achievement.csv') as achievements_csv:
         achievements_reader = csv.DictReader(achievements_csv)