diff --git a/graphene_django/forms/tests/test_djangoinputobject.py b/graphene_django/forms/tests/test_djangoinputobject.py
index 3961617..2809d2f 100644
--- a/graphene_django/forms/tests/test_djangoinputobject.py
+++ b/graphene_django/forms/tests/test_djangoinputobject.py
@@ -1,7 +1,7 @@
 import graphene
 
 from django import forms
-from py.test import raises
+from pytest import raises
 
 from graphene_django import DjangoObjectType
 from ..types import DjangoFormInputObjectType