diff --git a/novaclient/__init__.py b/novaclient/__init__.py
index 956e139e6..0816b4f61 100644
--- a/novaclient/__init__.py
+++ b/novaclient/__init__.py
@@ -25,4 +25,4 @@ API_MIN_VERSION = api_versions.APIVersion("2.1")
 # when client supported the max version, and bumped sequentially, otherwise
 # the client may break due to server side new version may include some
 # backward incompatible change.
-API_MAX_VERSION = api_versions.APIVersion("2.40")
+API_MAX_VERSION = api_versions.APIVersion("2.41")
diff --git a/novaclient/tests/unit/v2/fakes.py b/novaclient/tests/unit/v2/fakes.py
index e6f749a51..f9da820c4 100644
--- a/novaclient/tests/unit/v2/fakes.py
+++ b/novaclient/tests/unit/v2/fakes.py
@@ -1703,7 +1703,7 @@ class FakeSessionClient(base_client.SessionClient):
     #
 
     def get_os_aggregates(self, *kw):
-        return (200, {}, {"aggregates": [
+        response = (200, {}, {"aggregates": [
             {'id': '1',
              'name': 'test',
              'availability_zone': 'nova1'},
@@ -1714,6 +1714,13 @@ class FakeSessionClient(base_client.SessionClient):
              'name': 'test3',
              'metadata': {'test': "dup", "none_key": "Nine"}},
         ]})
+        # microversion >= 2.41 returns the uuid in the response
+        if self.api_version >= api_versions.APIVersion('2.41'):
+            aggregates = response[2]['aggregates']
+            aggregates[0]['uuid'] = '80785864-087b-45a5-a433-b20eac9b58aa'
+            aggregates[1]['uuid'] = '30827713-5957-4b68-8fd3-ccaddb568c24'
+            aggregates[2]['uuid'] = '9a651b22-ce3f-4a87-acd7-98446ef591c4'
+        return response
 
     def _return_aggregate(self):
         r = {'aggregate': self.get_os_aggregates()[2]['aggregates'][0]}
diff --git a/novaclient/tests/unit/v2/test_shell.py b/novaclient/tests/unit/v2/test_shell.py
index 6a27175da..bb01344aa 100644
--- a/novaclient/tests/unit/v2/test_shell.py
+++ b/novaclient/tests/unit/v2/test_shell.py
@@ -1942,15 +1942,35 @@ class ShellTest(utils.TestCase):
         self.assert_called('GET', '/flavors/1', pos=-1)
 
     def test_aggregate_list(self):
-        self.run_command('aggregate-list')
+        out, err = self.run_command('aggregate-list')
         self.assert_called('GET', '/os-aggregates')
+        self.assertNotIn('UUID', out)
+
+    def test_aggregate_list_v2_41(self):
+        out, err = self.run_command('aggregate-list', api_version='2.41')
+        self.assert_called('GET', '/os-aggregates')
+        self.assertIn('UUID', out)
+        self.assertIn('80785864-087b-45a5-a433-b20eac9b58aa', out)
+        self.assertIn('30827713-5957-4b68-8fd3-ccaddb568c24', out)
+        self.assertIn('9a651b22-ce3f-4a87-acd7-98446ef591c4', out)
 
     def test_aggregate_create(self):
-        self.run_command('aggregate-create test_name nova1')
+        out, err = self.run_command('aggregate-create test_name nova1')
         body = {"aggregate": {"name": "test_name",
                               "availability_zone": "nova1"}}
         self.assert_called('POST', '/os-aggregates', body, pos=-2)
         self.assert_called('GET', '/os-aggregates/1', pos=-1)
+        self.assertNotIn('UUID', out)
+
+    def test_aggregate_create_v2_41(self):
+        out, err = self.run_command('aggregate-create test_name nova1',
+                                    api_version='2.41')
+        body = {"aggregate": {"name": "test_name",
+                              "availability_zone": "nova1"}}
+        self.assert_called('POST', '/os-aggregates', body, pos=-2)
+        self.assert_called('GET', '/os-aggregates/1', pos=-1)
+        self.assertIn('UUID', out)
+        self.assertIn('80785864-087b-45a5-a433-b20eac9b58aa', out)
 
     def test_aggregate_delete_by_id(self):
         self.run_command('aggregate-delete 1')
@@ -1961,10 +1981,20 @@ class ShellTest(utils.TestCase):
         self.assert_called('DELETE', '/os-aggregates/1')
 
     def test_aggregate_update_by_id(self):
-        self.run_command('aggregate-update 1 --name new_name')
+        out, err = self.run_command('aggregate-update 1 --name new_name')
         body = {"aggregate": {"name": "new_name"}}
         self.assert_called('PUT', '/os-aggregates/1', body, pos=-2)
         self.assert_called('GET', '/os-aggregates/1', pos=-1)
+        self.assertNotIn('UUID', out)
+
+    def test_aggregate_update_by_id_v2_41(self):
+        out, err = self.run_command('aggregate-update 1 --name new_name',
+                                    api_version='2.41')
+        body = {"aggregate": {"name": "new_name"}}
+        self.assert_called('PUT', '/os-aggregates/1', body, pos=-2)
+        self.assert_called('GET', '/os-aggregates/1', pos=-1)
+        self.assertIn('UUID', out)
+        self.assertIn('80785864-087b-45a5-a433-b20eac9b58aa', out)
 
     def test_aggregate_update_by_name(self):
         self.run_command('aggregate-update test --name new_name ')
@@ -2011,10 +2041,20 @@ class ShellTest(utils.TestCase):
         self.assert_called('GET', '/os-aggregates/1', pos=-1)
 
     def test_aggregate_set_metadata_add_by_id(self):
-        self.run_command('aggregate-set-metadata 3 foo=bar')
+        out, err = self.run_command('aggregate-set-metadata 3 foo=bar')
         body = {"set_metadata": {"metadata": {"foo": "bar"}}}
         self.assert_called('POST', '/os-aggregates/3/action', body, pos=-2)
         self.assert_called('GET', '/os-aggregates/3', pos=-1)
+        self.assertNotIn('UUID', out)
+
+    def test_aggregate_set_metadata_add_by_id_v2_41(self):
+        out, err = self.run_command('aggregate-set-metadata 3 foo=bar',
+                                    api_version='2.41')
+        body = {"set_metadata": {"metadata": {"foo": "bar"}}}
+        self.assert_called('POST', '/os-aggregates/3/action', body, pos=-2)
+        self.assert_called('GET', '/os-aggregates/3', pos=-1)
+        self.assertIn('UUID', out)
+        self.assertIn('9a651b22-ce3f-4a87-acd7-98446ef591c4', out)
 
     def test_aggregate_set_metadata_add_duplicate_by_id(self):
         cmd = 'aggregate-set-metadata 3 test=dup'
@@ -2037,10 +2077,20 @@ class ShellTest(utils.TestCase):
         self.assert_called('GET', '/os-aggregates/1', pos=-1)
 
     def test_aggregate_add_host_by_id(self):
-        self.run_command('aggregate-add-host 1 host1')
+        out, err = self.run_command('aggregate-add-host 1 host1')
         body = {"add_host": {"host": "host1"}}
         self.assert_called('POST', '/os-aggregates/1/action', body, pos=-2)
         self.assert_called('GET', '/os-aggregates/1', pos=-1)
+        self.assertNotIn('UUID', out)
+
+    def test_aggregate_add_host_by_id_v2_41(self):
+        out, err = self.run_command('aggregate-add-host 1 host1',
+                                    api_version='2.41')
+        body = {"add_host": {"host": "host1"}}
+        self.assert_called('POST', '/os-aggregates/1/action', body, pos=-2)
+        self.assert_called('GET', '/os-aggregates/1', pos=-1)
+        self.assertIn('UUID', out)
+        self.assertIn('80785864-087b-45a5-a433-b20eac9b58aa', out)
 
     def test_aggregate_add_host_by_name(self):
         self.run_command('aggregate-add-host test host1')
@@ -2049,10 +2099,20 @@ class ShellTest(utils.TestCase):
         self.assert_called('GET', '/os-aggregates/1', pos=-1)
 
     def test_aggregate_remove_host_by_id(self):
-        self.run_command('aggregate-remove-host 1 host1')
+        out, err = self.run_command('aggregate-remove-host 1 host1')
         body = {"remove_host": {"host": "host1"}}
         self.assert_called('POST', '/os-aggregates/1/action', body, pos=-2)
         self.assert_called('GET', '/os-aggregates/1', pos=-1)
+        self.assertNotIn('UUID', out)
+
+    def test_aggregate_remove_host_by_id_v2_41(self):
+        out, err = self.run_command('aggregate-remove-host 1 host1',
+                                    api_version='2.41')
+        body = {"remove_host": {"host": "host1"}}
+        self.assert_called('POST', '/os-aggregates/1/action', body, pos=-2)
+        self.assert_called('GET', '/os-aggregates/1', pos=-1)
+        self.assertIn('UUID', out)
+        self.assertIn('80785864-087b-45a5-a433-b20eac9b58aa', out)
 
     def test_aggregate_remove_host_by_name(self):
         self.run_command('aggregate-remove-host test host1')
@@ -2061,8 +2121,15 @@ class ShellTest(utils.TestCase):
         self.assert_called('GET', '/os-aggregates/1', pos=-1)
 
     def test_aggregate_show_by_id(self):
-        self.run_command('aggregate-show 1')
+        out, err = self.run_command('aggregate-show 1')
         self.assert_called('GET', '/os-aggregates/1')
+        self.assertNotIn('UUID', out)
+
+    def test_aggregate_show_by_id_v2_41(self):
+        out, err = self.run_command('aggregate-show 1', api_version='2.41')
+        self.assert_called('GET', '/os-aggregates/1')
+        self.assertIn('UUID', out)
+        self.assertIn('80785864-087b-45a5-a433-b20eac9b58aa', out)
 
     def test_aggregate_show_by_name(self):
         self.run_command('aggregate-show test')
@@ -3234,6 +3301,7 @@ class ShellTest(utils.TestCase):
             37,  # There are no versioned wrapped shell method changes for this
             38,  # doesn't require any changes in novaclient
             39,  # There are no versioned wrapped shell method changes for this
+            41,  # There are no version-wrapped shell method changes for this.
         ])
         versions_supported = set(range(0,
                                  novaclient.API_MAX_VERSION.ver_minor + 1))
diff --git a/novaclient/v2/shell.py b/novaclient/v2/shell.py
index 704e96705..055559a44 100644
--- a/novaclient/v2/shell.py
+++ b/novaclient/v2/shell.py
@@ -3737,6 +3737,8 @@ def do_aggregate_list(cs, args):
     """Print a list of all aggregates."""
     aggregates = cs.aggregates.list()
     columns = ['Id', 'Name', 'Availability Zone']
+    if cs.api_version >= api_versions.APIVersion('2.41'):
+        columns.append('UUID')
     utils.print_list(aggregates, columns)
 
 
@@ -3750,7 +3752,7 @@ def do_aggregate_list(cs, args):
 def do_aggregate_create(cs, args):
     """Create a new aggregate with the specified details."""
     aggregate = cs.aggregates.create(args.name, args.availability_zone)
-    _print_aggregate_details(aggregate)
+    _print_aggregate_details(cs, aggregate)
 
 
 @utils.arg(
@@ -3804,7 +3806,7 @@ def do_aggregate_update(cs, args):
 
     aggregate = cs.aggregates.update(aggregate.id, updates)
     print(_("Aggregate %s has been successfully updated.") % aggregate.id)
-    _print_aggregate_details(aggregate)
+    _print_aggregate_details(cs, aggregate)
 
 
 @utils.arg(
@@ -3833,7 +3835,7 @@ def do_aggregate_set_metadata(cs, args):
     aggregate = cs.aggregates.set_metadata(aggregate.id, metadata)
     print(_("Metadata has been successfully updated for aggregate %s.") %
           aggregate.id)
-    _print_aggregate_details(aggregate)
+    _print_aggregate_details(cs, aggregate)
 
 
 @utils.arg(
@@ -3849,7 +3851,7 @@ def do_aggregate_add_host(cs, args):
     print(_("Host %(host)s has been successfully added for aggregate "
             "%(aggregate_id)s ") % {'host': args.host,
                                     'aggregate_id': aggregate.id})
-    _print_aggregate_details(aggregate)
+    _print_aggregate_details(cs, aggregate)
 
 
 @utils.arg(
@@ -3865,7 +3867,7 @@ def do_aggregate_remove_host(cs, args):
     print(_("Host %(host)s has been successfully removed from aggregate "
             "%(aggregate_id)s ") % {'host': args.host,
                                     'aggregate_id': aggregate.id})
-    _print_aggregate_details(aggregate)
+    _print_aggregate_details(cs, aggregate)
 
 
 @utils.arg(
@@ -3874,11 +3876,13 @@ def do_aggregate_remove_host(cs, args):
 def do_aggregate_show(cs, args):
     """Show details of the specified aggregate."""
     aggregate = _find_aggregate(cs, args.aggregate)
-    _print_aggregate_details(aggregate)
+    _print_aggregate_details(cs, aggregate)
 
 
-def _print_aggregate_details(aggregate):
+def _print_aggregate_details(cs, aggregate):
     columns = ['Id', 'Name', 'Availability Zone', 'Hosts', 'Metadata']
+    if cs.api_version >= api_versions.APIVersion('2.41'):
+        columns.append('UUID')
 
     def parser_metadata(fields):
         return utils.pretty_choice_dict(getattr(fields, 'metadata', {}) or {})
diff --git a/releasenotes/notes/microversion-v2_41-6df7a5a66a9ded35.yaml b/releasenotes/notes/microversion-v2_41-6df7a5a66a9ded35.yaml
new file mode 100644
index 000000000..34d442d9e
--- /dev/null
+++ b/releasenotes/notes/microversion-v2_41-6df7a5a66a9ded35.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Added support for microversion 2.41 which shows the aggregate UUID in CLI
+    output when listing, creating, showing, updating, setting metadata, and
+    adding or removing hosts from an aggregate.