diff --git a/constance/admin.py b/constance/admin.py
index c18ce5f..a6b7424 100644
--- a/constance/admin.py
+++ b/constance/admin.py
@@ -1,4 +1,4 @@
-from datetime import datetime, date, time
+from datetime import datetime, date, time, timedelta
 from decimal import Decimal
 import hashlib
 from operator import itemgetter
@@ -42,6 +42,9 @@ FIELDS = {
     datetime: (
         fields.SplitDateTimeField, {'widget': widgets.AdminSplitDateTime}
     ),
+    timedelta: (
+        fields.DurationField, {'widget': widgets.AdminTextInputWidget}
+    ),
     date: (fields.DateField, {'widget': widgets.AdminDateWidget}),
     time: (fields.TimeField, {'widget': widgets.AdminTimeWidget}),
     float: (fields.FloatField, {'widget': NUMERIC_WIDGET}),
diff --git a/tests/settings.py b/tests/settings.py
index e7b582a..a12051f 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -1,7 +1,7 @@
 # -*- encoding: utf-8 -*-
 from django.utils import six
 
-from datetime import datetime, date, time
+from datetime import datetime, date, time, timedelta
 from decimal import Decimal
 
 
@@ -75,6 +75,7 @@ CONSTANCE_CONFIG = {
     'FLOAT_VALUE': (3.1415926536, 'PI'),
     'DATE_VALUE': (date(2010, 12, 24), 'Merry Chrismas'),
     'TIME_VALUE': (time(23, 59, 59), 'And happy New Year'),
+    'TIMEDELTA_VALUE': (timedelta(days=1, hours=2, minutes=3), 'Interval'),
     'CHOICE_VALUE': ('yes', 'select yes or no', 'yes_no_null_select'),
     'LINEBREAK_VALUE': ('Spam spam', 'eggs\neggs'),
     'EMAIL_VALUE': ('test@example.com', 'An email', 'email'),
diff --git a/tests/storage.py b/tests/storage.py
index 2c19062..738821e 100644
--- a/tests/storage.py
+++ b/tests/storage.py
@@ -1,5 +1,5 @@
 # -*- encoding: utf-8 -*-
-from datetime import datetime, date, time
+from datetime import datetime, date, time, timedelta
 from decimal import Decimal
 
 from django.utils import six
@@ -28,6 +28,7 @@ class StorageTestsMixin(object):
         self.assertEqual(self.config.FLOAT_VALUE, 3.1415926536)
         self.assertEqual(self.config.DATE_VALUE, date(2010, 12, 24))
         self.assertEqual(self.config.TIME_VALUE, time(23, 59, 59))
+        self.assertEqual(self.config.TIMEDELTA_VALUE, timedelta(days=1, hours=2, minutes=3))
         self.assertEqual(self.config.CHOICE_VALUE, 'yes')
         self.assertEqual(self.config.EMAIL_VALUE, 'test@example.com')
 
@@ -42,6 +43,7 @@ class StorageTestsMixin(object):
         self.config.FLOAT_VALUE = 2.718281845905
         self.config.DATE_VALUE = date(2001, 12, 20)
         self.config.TIME_VALUE = time(1, 59, 0)
+        self.config.TIMEDELTA_VALUE = timedelta(days=2, hours=3, minutes=4)
         self.config.CHOICE_VALUE = 'no'
         self.config.EMAIL_VALUE = 'foo@bar.com'
 
@@ -56,6 +58,7 @@ class StorageTestsMixin(object):
         self.assertEqual(self.config.FLOAT_VALUE, 2.718281845905)
         self.assertEqual(self.config.DATE_VALUE, date(2001, 12, 20))
         self.assertEqual(self.config.TIME_VALUE, time(1, 59, 0))
+        self.assertEqual(self.config.TIMEDELTA_VALUE, timedelta(days=2, hours=3, minutes=4))
         self.assertEqual(self.config.CHOICE_VALUE, 'no')
         self.assertEqual(self.config.EMAIL_VALUE, 'foo@bar.com')
 
@@ -90,3 +93,4 @@ class StorageTestsMixin(object):
         self.assertEqual(self.config.FLOAT_VALUE, 3.1415926536)  # this should be the default value
         self.assertEqual(self.config.DATE_VALUE, date(2001, 12, 20))
         self.assertEqual(self.config.TIME_VALUE, time(1, 59, 0))
+        self.assertEqual(self.config.TIMEDELTA_VALUE, timedelta(days=1, hours=2, minutes=3))
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 536085c..74df804 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -31,6 +31,7 @@ u"""        BOOL_VALUE	True
         LINEBREAK_VALUE	Spam spam
         DATE_VALUE	2010-12-24
         TIME_VALUE	23:59:59
+        TIMEDELTA_VALUE	1 day, 2:03:00
         LONG_VALUE	123456
         STRING_VALUE	Hello world
         UNICODE_VALUE	Rivière-Bonjour რუსთაველი
diff --git a/tests/test_form.py b/tests/test_form.py
index 99208ae..0ccbde2 100644
--- a/tests/test_form.py
+++ b/tests/test_form.py
@@ -16,6 +16,7 @@ class TestForm(TestCase):
         self.assertIsInstance(f.fields['UNICODE_VALUE'], fields.CharField)
         self.assertIsInstance(f.fields['DECIMAL_VALUE'], fields.DecimalField)
         self.assertIsInstance(f.fields['DATETIME_VALUE'], fields.SplitDateTimeField)
+        self.assertIsInstance(f.fields['TIMEDELTA_VALUE'], fields.DurationField)
         self.assertIsInstance(f.fields['FLOAT_VALUE'], fields.FloatField)
         self.assertIsInstance(f.fields['DATE_VALUE'], fields.DateField)
         self.assertIsInstance(f.fields['TIME_VALUE'], fields.TimeField)
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 69d52c1..2d6cfc4 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -27,6 +27,7 @@ class UtilsTestCase(TestCase):
             'CHOICE_VALUE': 'yes',
             'TIME_VALUE': datetime.time(23, 59, 59),
             'DATE_VALUE': datetime.date(2010, 12, 24),
+            'TIMEDELTA_VALUE': datetime.timedelta(days=1, hours=2, minutes=3),
             'LINEBREAK_VALUE': 'Spam spam',
             'DECIMAL_VALUE': Decimal('0.1'),
             'STRING_VALUE': 'Hello world',