diff --git a/proliantutils/redfish/resources/system/bios.py b/proliantutils/redfish/resources/system/bios.py
index 92da354..a0e2a6f 100644
--- a/proliantutils/redfish/resources/system/bios.py
+++ b/proliantutils/redfish/resources/system/bios.py
@@ -89,7 +89,7 @@ class BIOSSettings(base.ResourceBase):
 
     def update_bios_to_default(self):
         """Updates bios default settings"""
-        self.pending_settings.update_bios_data(
+        self.pending_settings.update_bios_data_by_post(
             self._get_base_configs().default_config)
 
     def refresh(self):
@@ -125,10 +125,10 @@ class BIOSPendingSettings(base.ResourceBase):
         if boot_mode == sys_cons.BIOS_BOOT_MODE_UEFI:
             bios_properties['UefiOptimizedBoot'] = 'Enabled'
 
-        self._conn.patch(self.path, bios_properties)
+        self.update_bios_data_by_patch(bios_properties)
 
-    def update_bios_data(self, data):
-        """Update bios data
+    def update_bios_data_by_post(self, data):
+        """Update bios data by post
 
         :param data: default bios config data
         """
@@ -137,6 +137,16 @@ class BIOSPendingSettings(base.ResourceBase):
         }
         self._conn.post(self.path, data=bios_settings_data)
 
+    def update_bios_data_by_patch(self, data):
+        """Update bios data by patch
+
+        :param data: default bios config data
+        """
+        bios_settings_data = {
+            'Attributes': data
+        }
+        self._conn.patch(self.path, data=bios_settings_data)
+
 
 class BIOSBootSettings(base.ResourceBase):
 
diff --git a/proliantutils/tests/redfish/resources/system/test_bios.py b/proliantutils/tests/redfish/resources/system/test_bios.py
index c38fb91..008fe40 100644
--- a/proliantutils/tests/redfish/resources/system/test_bios.py
+++ b/proliantutils/tests/redfish/resources/system/test_bios.py
@@ -201,21 +201,27 @@ class BIOSPendingSettingsTestCase(testtools.TestCase):
     def test_set_pending_boot_mode_bios(self):
         self.bios_settings_inst.set_pending_boot_mode(
             sys_cons.BIOS_BOOT_MODE_LEGACY_BIOS)
-        data = {}
-        data['BootMode'] = 'LegacyBios'
+        data = {
+            'Attributes': {
+                'BootMode': 'LegacyBios'
+            }
+        }
         self.bios_settings_inst._conn.patch.assert_called_once_with(
-            '/redfish/v1/Systems/1/bios/settings', data)
+            '/redfish/v1/Systems/1/bios/settings', data=data)
 
     def test_set_pending_boot_mode_uefi(self):
         self.bios_settings_inst.set_pending_boot_mode(
             sys_cons.BIOS_BOOT_MODE_UEFI)
-        data = {}
-        data['UefiOptimizedBoot'] = 'Enabled'
-        data['BootMode'] = 'Uefi'
+        data = {
+            'Attributes': {
+                'BootMode': 'Uefi',
+                'UefiOptimizedBoot': 'Enabled'
+            }
+        }
         self.bios_settings_inst._conn.patch.assert_called_once_with(
-            '/redfish/v1/Systems/1/bios/settings', data)
+            '/redfish/v1/Systems/1/bios/settings', data=data)
 
-    def test_update_bios_data(self):
+    def test_update_bios_data_by_post(self):
         with open('proliantutils/tests/redfish/'
                   'json_samples/bios_base_configs.json', 'r') as f:
             bios_settings = json.loads(f.read())['BaseConfigs'][0]['default']
@@ -223,10 +229,22 @@ class BIOSPendingSettingsTestCase(testtools.TestCase):
         data = {
             'Attributes': bios_settings
         }
-        self.bios_settings_inst.update_bios_data(bios_settings)
+        self.bios_settings_inst.update_bios_data_by_post(bios_settings)
         self.bios_settings_inst._conn.post.assert_called_once_with(target_uri,
                                                                    data=data)
 
+    def test_update_bios_data_by_patch(self):
+        with open('proliantutils/tests/redfish/'
+                  'json_samples/bios_base_configs.json', 'r') as f:
+            bios_settings = json.loads(f.read())['BaseConfigs'][0]['default']
+        target_uri = '/redfish/v1/Systems/1/bios/settings'
+        data = {
+            'Attributes': bios_settings
+        }
+        self.bios_settings_inst.update_bios_data_by_patch(bios_settings)
+        self.bios_settings_inst._conn.patch.assert_called_once_with(target_uri,
+                                                                    data=data)
+
 
 class BIOSBootSettingsTestCase(testtools.TestCase):
 
diff --git a/proliantutils/tests/redfish/test_redfish.py b/proliantutils/tests/redfish/test_redfish.py
index c7a9fe2..8b2a9f0 100644
--- a/proliantutils/tests/redfish/test_redfish.py
+++ b/proliantutils/tests/redfish/test_redfish.py
@@ -721,7 +721,7 @@ class RedfishOperationsTestCase(testtools.TestCase):
                           self.rf_client.get_server_capabilities)
 
     @mock.patch.object(redfish.RedfishOperations, '_get_sushy_system')
-    @mock.patch.object(bios.BIOSPendingSettings, 'update_bios_data')
+    @mock.patch.object(bios.BIOSPendingSettings, 'update_bios_data_by_post')
     def test_reset_bios_to_default(self, update_bios_mock, get_system_mock):
         with open('proliantutils/tests/redfish/'
                   'json_samples/system.json', 'r') as f: