diff --git a/taiga/export_import/dump_service.py b/taiga/export_import/dump_service.py
index 607de597..376f5f28 100644
--- a/taiga/export_import/dump_service.py
+++ b/taiga/export_import/dump_service.py
@@ -16,6 +16,8 @@
 
 from django.db.models import signals
 
+from taiga.projects.models import Membership
+
 from . import serializers
 from . import service