diff --git a/apps/news/serializers.py b/apps/news/serializers.py
index 6841b954..602e49a6 100644
--- a/apps/news/serializers.py
+++ b/apps/news/serializers.py
@@ -189,8 +189,12 @@ class NewsBackOfficeBaseSerializer(NewsBaseSerializer):
             'must_of_the_week',
             'publication_date',
             'publication_time',
+            'created',
+            'modified',
         )
         extra_kwargs = {
+            'created': {'read_only': True},
+            'modified': {'read_only': True},
             'duplication_date': {'read_only': True},
             'locale_to_description_is_active':  {'allow_null': False},
             'must_of_the_week':  {'read_only': True},