diff --git a/json_field/forms.py b/json_field/forms.py
index 830217b..1c41fba 100644
--- a/json_field/forms.py
+++ b/json_field/forms.py
@@ -2,7 +2,14 @@
     import json
 except ImportError:  # python < 2.6
     from django.utils import simplejson as json
-from django.forms import fields, util
+
+from django.forms import fields    
+
+import warnings
+try:
+    from django.forms import util
+except (Warning, ImportError):
+    from django.forms import utils as util
 
 import datetime
 from decimal import Decimal