diff --git a/.travis.yml b/.travis.yml
index 8d6f0b86f..e68b1b09b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,7 +21,7 @@ cache:
 
 env:
   global:
-    - STRIPE_MOCK_VERSION=0.25.0
+    - STRIPE_MOCK_VERSION=0.26.0
 
 before_install:
   # Unpack and start stripe-mock so that the test suite can talk to it
diff --git a/stripe/api_resources/__init__.py b/stripe/api_resources/__init__.py
index e25a6b24b..fc39e42e3 100644
--- a/stripe/api_resources/__init__.py
+++ b/stripe/api_resources/__init__.py
@@ -50,3 +50,4 @@
 from stripe.api_resources.topup import Topup
 from stripe.api_resources.transfer import Transfer
 from stripe.api_resources.usage_record import UsageRecord
+from stripe.api_resources.usage_record_summary import UsageRecordSummary
diff --git a/stripe/api_resources/subscription_item.py b/stripe/api_resources/subscription_item.py
index 8b3e3761a..4d340801a 100644
--- a/stripe/api_resources/subscription_item.py
+++ b/stripe/api_resources/subscription_item.py
@@ -9,3 +9,7 @@
 class SubscriptionItem(CreateableAPIResource, DeletableAPIResource,
                        UpdateableAPIResource, ListableAPIResource):
     OBJECT_NAME = 'subscription_item'
+
+    def usage_record_summaries(self, **params):
+        return self.request(
+            'get', self.instance_url() + '/usage_record_summaries', params)
diff --git a/stripe/api_resources/usage_record_summary.py b/stripe/api_resources/usage_record_summary.py
new file mode 100644
index 000000000..a8033bd0d
--- /dev/null
+++ b/stripe/api_resources/usage_record_summary.py
@@ -0,0 +1,7 @@
+from __future__ import absolute_import, division, print_function
+
+from stripe.stripe_object import StripeObject
+
+
+class UsageRecordSummary(StripeObject):
+    OBJECT_NAME = 'usage_record_summary'
diff --git a/stripe/util.py b/stripe/util.py
index 32ed1ace3..da49e9c30 100644
--- a/stripe/util.py
+++ b/stripe/util.py
@@ -207,6 +207,8 @@ def load_object_classes():
         api_resources.Topup.OBJECT_NAME: api_resources.Topup,
         api_resources.Transfer.OBJECT_NAME: api_resources.Transfer,
         api_resources.UsageRecord.OBJECT_NAME: api_resources.UsageRecord,
+        api_resources.UsageRecordSummary.OBJECT_NAME:
+            api_resources.UsageRecordSummary,
     }
 
 
diff --git a/tests/api_resources/test_usage_record_summary.py b/tests/api_resources/test_usage_record_summary.py
new file mode 100644
index 000000000..26c1207ab
--- /dev/null
+++ b/tests/api_resources/test_usage_record_summary.py
@@ -0,0 +1,16 @@
+from __future__ import absolute_import, division, print_function
+
+import stripe
+
+
+class TestUsageRecordSummary(object):
+    def test_is_listable(self, request_mock):
+        resource = stripe.SubscriptionItem.retrieve('si_123')
+        usage_record_summaries = resource.usage_record_summaries()
+        request_mock.assert_requested(
+            'get',
+            '/v1/subscription_items/si_123/usage_record_summaries'
+        )
+        assert isinstance(usage_record_summaries.data, list)
+        assert isinstance(usage_record_summaries.data[0],
+                          stripe.UsageRecordSummary)
diff --git a/tests/conftest.py b/tests/conftest.py
index 7a98c190c..6da4b5832 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -13,7 +13,7 @@
 from tests.request_mock import RequestMock
 
 
-MOCK_MINIMUM_VERSION = '0.25.0'
+MOCK_MINIMUM_VERSION = '0.26.0'
 MOCK_PORT = os.environ.get('STRIPE_MOCK_PORT', 12111)