diff --git a/omise/__init__.py b/omise/__init__.py
index 203ff26..6d36f49 100644
--- a/omise/__init__.py
+++ b/omise/__init__.py
@@ -252,6 +252,34 @@ def reload(self):
         """
         return self._reload_data(self._request('get', self._instance_path()))
 
+    def update(self, **kwargs):
+        """Update account settings with the given arguments.
+
+        See the `update an account`_ section in the API documentation for list
+        of available arguments.
+
+        Basic usage::
+
+            >>> import omise
+            >>> omise.api_secret = 'skey_test_4xs8breq3htbkj03d2x'
+            >>> account = omise.Account.retrieve()
+            >>> account.update(webhook_uri='https://omise-flask-example.herokuapp.com/webhook')
+            <Account id='account_test_5kms3d70v77fs5c37v6' at 0x108cec240>
+
+        :param \*\*kwargs: arguments to update an account.
+        :rtype: Account
+
+        .. _update an account:
+        ..     https://www.omise.co/account-api#update
+        """
+
+        changed = copy.deepcopy(self.changes)
+        changed.update(kwargs)
+        return self._reload_data(
+            self._request('patch',
+                          self._attributes['location'],
+                          changed))
+
 
 class Balance(_MainResource, Base):
     """API class representing balance details.
diff --git a/omise/test/test_account.py b/omise/test/test_account.py
index 33da0d1..da83b73 100644
--- a/omise/test/test_account.py
+++ b/omise/test/test_account.py
@@ -10,6 +10,16 @@ def _getTargetClass(self):
         from .. import Account
         return Account
 
+    def _makeOne(self):
+        return self._getTargetClass().from_data({
+            "object": "account",
+            "location": "/account",
+            "id": "acct_test",
+            "email": None,
+            "created": "2014-10-20T08:21:42Z",
+            "chain_enabled": False
+        })
+
     @mock.patch('requests.get')
     def test_retrieve(self, api_call):
         class_ = self._getTargetClass()
@@ -36,3 +46,57 @@ def test_retrieve(self, api_call):
         account.reload()
         self.assertEqual(account.id, 'acct_foo')
         self.assertRequest(api_call, 'https://api.omise.co/account')
+
+
+    @mock.patch('requests.patch')
+    def test_update(self, api_call):
+        account = self._makeOne()
+        class_ = self._getTargetClass()
+        self.mockResponse(api_call, """{
+          "object": "account",
+          "id": "account_test_no1t4tnemucod0e51mo",
+          "team": "acct_no1t4tnemucod0e51mo",
+          "livemode": false,
+          "location": "/account",
+          "country": "TH",
+          "currency": "THB",
+          "email": "somchai.prasert@example.com",
+          "created_at": "2019-12-31T12:59:59Z",
+          "supported_currencies": [
+            "THB",
+            "JPY",
+            "USD",
+            "EUR",
+            "GBP",
+            "SGD",
+            "AUD",
+            "CHF",
+            "CNY",
+            "DKK",
+            "HKD"
+          ],
+          "api_version": "2019-05-29",
+          "auto_activate_recipients": true,
+          "chain_enabled": true,
+          "zero_interest_installments": true,
+          "chain_return_uri": "https://omise-flask-example.herokuapp.com",
+          "webhook_uri": "https://omise-flask-example.herokuapp.com/webhook",
+          "metadata_export_keys": {
+            "charge": [
+              "color",
+              "order_id"
+            ]
+          }
+        }""")
+
+        self.assertTrue(isinstance(account, class_))
+        self.assertFalse(account.chain_enabled)
+        account.update(chain_enabled=True)
+        self.assertTrue(account.chain_enabled)
+        self.assertRequest(
+            api_call,
+            'https://api.omise.co/account',
+            {
+                'chain_enabled': True,
+            }
+        )