diff --git a/api/v1/serializers/content.py b/api/v1/serializers/content.py
index b1a8678f..9a338c45 100644
--- a/api/v1/serializers/content.py
+++ b/api/v1/serializers/content.py
@@ -155,6 +155,15 @@ class ContentSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Content
+        fields = (
+            'id',
+            'course',
+            'lesson',
+            'title',
+            'position',
+            'created_at',
+            'update_at',
+        )
 
     def to_representation(self, obj):
         if isinstance(obj, Image):