diff --git a/src/postorius/fieldset_forms.py b/src/postorius/fieldset_forms.py
index f8634e0..01550b4 100644
--- a/src/postorius/fieldset_forms.py
+++ b/src/postorius/fieldset_forms.py
@@ -19,7 +19,7 @@
 from django.forms import Form
 from django.utils import safestring
 from django.forms.forms import BoundField
-from django.forms.util import ErrorList
+from django.forms.utils import ErrorList
 
 
 class FieldsetError(Exception):