diff --git a/requirements.txt b/requirements.txt
index 551b33d70a..a178fbbf0c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Django==1.11.15
 django-compressor==2.2
 django-post-office==3.0.4
 django-statici18n==1.7.0
-djangorestframework==3.3.1
+djangorestframework==3.3.3
 git+git://github.com/haiwen/django-constance.git@8508ff29141732190faff51d5c2b5474da297732#egg=django-constance[database]
 openpyxl==2.3.0
 pytz==2015.7
diff --git a/tests/api/test_ping.py b/tests/api/test_ping.py
new file mode 100644
index 0000000000..da46c58647
--- /dev/null
+++ b/tests/api/test_ping.py
@@ -0,0 +1,11 @@
+from seahub.test_utils import BaseTestCase
+
+class PingTest(BaseTestCase):
+    def test_can_ping(self):
+        resp = self.client.get('/api2/ping/')
+        self.assertEqual(200, resp.status_code)
+
+    def test_html_ping(self):
+        headers = {'HTTP_ACCEPT': 'text/html'}
+        resp = self.client.get('/api2/ping/', **headers)
+        self.assertEqual(200, resp.status_code)