diff --git a/group/serializers.py b/group/serializers.py
index 402ea5b..27490d8 100644
--- a/group/serializers.py
+++ b/group/serializers.py
@@ -73,4 +73,8 @@ class EditGroupMemberSerializer(serializers.Serializer):
 
 class PutJoinGroupRequestSerializer(serializers.Serializer):
     request_id = serializers.IntegerField()
-    status = serializers.BooleanField()
\ No newline at end of file
+    status = serializers.BooleanField()
+    
+class GroupPromoteAdminSerializer(serializers.Serializer):
+    user_id = serializers.IntegerField()
+    group_id = serializers.IntegerField()