diff --git a/tempest_lib/api_schema/response/compute/v2_1/agents.py b/tempest_lib/api_schema/response/compute/v2_1/agents.py
index da38198..6f712b4 100644
--- a/tempest_lib/api_schema/response/compute/v2_1/agents.py
+++ b/tempest_lib/api_schema/response/compute/v2_1/agents.py
@@ -55,6 +55,28 @@ create_agent = {
     }
 }
 
+update_agent = {
+    'status_code': [200],
+    'response_body': {
+        'type': 'object',
+        'properties': {
+            'agent': {
+                'type': 'object',
+                'properties': {
+                    'agent_id': {'type': ['integer', 'string']},
+                    'version': {'type': 'string'},
+                    'url': {'type': 'string', 'format': 'uri'},
+                    'md5hash': {'type': 'string'}
+                },
+                'additionalProperties': False,
+                'required': ['agent_id', 'version', 'url', 'md5hash']
+            }
+        },
+        'additionalProperties': False,
+        'required': ['agent']
+    }
+}
+
 delete_agent = {
     'status_code': [200]
 }
diff --git a/tempest_lib/services/compute/agents_client.py b/tempest_lib/services/compute/agents_client.py
index fbf8cd1..8d4b2eb 100644
--- a/tempest_lib/services/compute/agents_client.py
+++ b/tempest_lib/services/compute/agents_client.py
@@ -51,4 +51,5 @@ class AgentsClient(rest_client.RestClient):
         put_body = json.dumps({'para': kwargs})
         resp, body = self.put('os-agents/%s' % agent_id, put_body)
         body = json.loads(body)
+        self.validate_response(schema.update_agent, resp, body)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest_lib/tests/services/compute/test_agents_client.py b/tempest_lib/tests/services/compute/test_agents_client.py
index cb8b7cb..5a480c4 100644
--- a/tempest_lib/tests/services/compute/test_agents_client.py
+++ b/tempest_lib/tests/services/compute/test_agents_client.py
@@ -33,11 +33,8 @@ class TestAgentsClient(base.BaseComputeServiceTest):
     FAKE_UPDATE_AGENT = {
         "agent": {
             "url": "http://foo.com",
-            "hypervisor": "kvm",
             "md5hash": "md5",
             "version": "2",
-            "architecture": "x86_64",
-            "os": "linux",
             "agent_id": 1
         }
     }