diff --git a/requirements.txt b/requirements.txt
index d567082..f41d2a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,17 +9,17 @@
 netaddr!=0.7.16,>=0.7.12 # BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 pyOpenSSL>=0.14 # Apache-2.0
-oslo.concurrency>=3.5.0 # Apache-2.0
+oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config>=3.9.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.5.0 # Apache-2.0
 six>=1.9.0 # MIT
-fixtures<2.0,>=1.3.1 # Apache-2.0/BSD
+fixtures>=3.0.0 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 PyYAML>=3.1.0 # MIT
 stevedore>=1.10.0 # Apache-2.0
 PrettyTable<0.8,>=0.7 # BSD
-os-testr>=0.4.1 # Apache-2.0
+os-testr>=0.7.0 # Apache-2.0
 urllib3>=1.15.1 # MIT
diff --git a/tempest/lib/api_schema/response/compute/v2_1/images.py b/tempest/lib/api_schema/response/compute/v2_1/images.py
index daab898..b0f1934 100644
--- a/tempest/lib/api_schema/response/compute/v2_1/images.py
+++ b/tempest/lib/api_schema/response/compute/v2_1/images.py
@@ -77,7 +77,7 @@
                     'properties': {
                         'id': {'type': 'string'},
                         'links': image_links,
-                        'name': {'type': 'string'}
+                        'name': {'type': ['string', 'null']}
                     },
                     'additionalProperties': False,
                     'required': ['id', 'links', 'name']
diff --git a/tempest/services/baremetal/base.py b/tempest/services/baremetal/base.py
index 6e24801..2bdd092 100644
--- a/tempest/services/baremetal/base.py
+++ b/tempest/services/baremetal/base.py
@@ -111,7 +111,7 @@
             uri += "?%s" % urllib.urlencode(kwargs)
 
         resp, body = self.get(uri)
-        self.expected_success(200, resp['status'])
+        self.expected_success(200, resp.status)
 
         return resp, self.deserialize(body)
 
@@ -127,7 +127,7 @@
         else:
             uri = self._get_uri(resource, uuid=uuid, permanent=permanent)
         resp, body = self.get(uri)
-        self.expected_success(200, resp['status'])
+        self.expected_success(200, resp.status)
 
         return resp, self.deserialize(body)
 
@@ -145,7 +145,7 @@
         uri = self._get_uri(resource)
 
         resp, body = self.post(uri, body=body)
-        self.expected_success(201, resp['status'])
+        self.expected_success(201, resp.status)
 
         return resp, self.deserialize(body)
 
@@ -160,7 +160,7 @@
         uri = self._get_uri(resource, uuid)
 
         resp, body = self.delete(uri)
-        self.expected_success(204, resp['status'])
+        self.expected_success(204, resp.status)
         return resp, body
 
     def _patch_request(self, resource, uuid, patch_object):
@@ -176,7 +176,7 @@
         patch_body = json.dumps(patch_object)
 
         resp, body = self.patch(uri, body=patch_body)
-        self.expected_success(200, resp['status'])
+        self.expected_success(200, resp.status)
         return resp, self.deserialize(body)
 
     @handle_errors
@@ -201,5 +201,5 @@
         put_body = json.dumps(put_object)
 
         resp, body = self.put(uri, body=put_body)
-        self.expected_success(202, resp['status'])
+        self.expected_success([202, 204], resp.status)
         return resp, body
diff --git a/test-requirements.txt b/test-requirements.txt
index 9ef956a..763f0ba 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,6 +7,6 @@
 python-subunit>=0.0.18 # Apache-2.0/BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 reno>=1.6.2 # Apache2
-mock>=1.2 # BSD
+mock>=2.0 # BSD
 coverage>=3.6 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0