diff --git a/backend/holon/viewsets/update_register.py b/backend/holon/viewsets/update_register.py
index d24b9438e..e0c5b6e4a 100644
--- a/backend/holon/viewsets/update_register.py
+++ b/backend/holon/viewsets/update_register.py
@@ -1,10 +1,8 @@
 from holon.models import UpdateRegister
 from holon.serializers import UpdateRegisterSerializer
-from rest_framework import viewsets, permissions
-from holon.permissions import AllowOnlyPost
+from rest_framework import viewsets, mixins
 
 # ViewSets define the view behavior.
-class UpdateRegisterViewSet(viewsets.ModelViewSet):
+class UpdateRegisterViewSet(mixins.CreateModelMixin, viewsets.GenericViewSet):
     queryset = UpdateRegister.objects.all()
     serializer_class = UpdateRegisterSerializer
-    permission_classes = [AllowOnlyPost]
\ No newline at end of file