diff --git a/django/contrib/postgres/forms/ranges.py b/django/contrib/postgres/forms/ranges.py
index d966a6e1db8..5f2b2434a3b 100644
--- a/django/contrib/postgres/forms/ranges.py
+++ b/django/contrib/postgres/forms/ranges.py
@@ -5,7 +5,10 @@ from django.core import exceptions
 from django.forms.widgets import MultiWidget
 from django.utils.translation import gettext_lazy as _
 
-__all__ = ['IntegerRangeField', 'FloatRangeField', 'DateTimeRangeField', 'DateRangeField']
+__all__ = [
+    'BaseRangeField', 'IntegerRangeField', 'FloatRangeField',
+    'DateTimeRangeField', 'DateRangeField', 'RangeWidget',
+]
 
 
 class BaseRangeField(forms.MultiValueField):