diff --git a/moto/forecast/models.py b/moto/forecast/models.py
index c7b18618c..67b9b0881 100644
--- a/moto/forecast/models.py
+++ b/moto/forecast/models.py
@@ -2,7 +2,7 @@ import re
 from datetime import datetime
 
 from boto3 import Session
-from future.utils import iteritems
+from six import iteritems
 
 from moto.core import ACCOUNT_ID, BaseBackend
 from moto.core.utils import iso_8601_datetime_without_milliseconds