diff --git a/openstack/block_storage/v2/volume.py b/openstack/block_storage/v2/volume.py
index ca66cdcce..0233bc7f4 100644
--- a/openstack/block_storage/v2/volume.py
+++ b/openstack/block_storage/v2/volume.py
@@ -39,6 +39,8 @@ class Volume(resource.Resource, metadata.MetadataMixin):
     consistency_group_id = resource.Body("consistencygroup_id")
     #: The timestamp of this volume creation.
     created_at = resource.Body("created_at")
+    #: The date and time when the resource was updated.
+    updated_at = resource.Body("updated_at")
     #: The volume description.
     description = resource.Body("description")
     #: Extended replication status on this volume.
diff --git a/openstack/block_storage/v3/volume.py b/openstack/block_storage/v3/volume.py
index c6814d2be..034198b64 100644
--- a/openstack/block_storage/v3/volume.py
+++ b/openstack/block_storage/v3/volume.py
@@ -42,6 +42,8 @@ class Volume(resource.Resource, metadata.MetadataMixin):
     consistency_group_id = resource.Body("consistencygroup_id")
     #: The timestamp of this volume creation.
     created_at = resource.Body("created_at")
+    #: The date and time when the resource was updated.
+    updated_at = resource.Body("updated_at")
     #: The volume description.
     description = resource.Body("description")
     #: Extended replication status on this volume.
diff --git a/openstack/tests/fakes.py b/openstack/tests/fakes.py
index 541055b7d..a035895f1 100644
--- a/openstack/tests/fakes.py
+++ b/openstack/tests/fakes.py
@@ -360,6 +360,7 @@ class FakeVolume:
         self.volume_type = 'type:volume'
         self.availability_zone = 'az1'
         self.created_at = '1900-01-01 12:34:56'
+        self.updated_at = None
         self.source_volid = '12345'
         self.metadata = {}
 
diff --git a/openstack/tests/unit/block_storage/v2/test_volume.py b/openstack/tests/unit/block_storage/v2/test_volume.py
index 59c61eca8..a411f98ac 100644
--- a/openstack/tests/unit/block_storage/v2/test_volume.py
+++ b/openstack/tests/unit/block_storage/v2/test_volume.py
@@ -34,6 +34,7 @@ VOLUME = {
     "availability_zone": "nova",
     "bootable": "false",
     "created_at": "2015-03-09T12:14:57.233772",
+    "updated_at": None,
     "description": "something",
     "volume_type": "some_type",
     "snapshot_id": "93c2e2aa-7744-4fd6-a31a-80c4726b08d7",
@@ -91,6 +92,7 @@ class TestVolume(base.TestCase):
         self.assertEqual(VOLUME["availability_zone"], sot.availability_zone)
         self.assertFalse(sot.is_bootable)
         self.assertEqual(VOLUME["created_at"], sot.created_at)
+        self.assertEqual(VOLUME["updated_at"], sot.updated_at)
         self.assertEqual(VOLUME["description"], sot.description)
         self.assertEqual(VOLUME["volume_type"], sot.volume_type)
         self.assertEqual(VOLUME["snapshot_id"], sot.snapshot_id)
diff --git a/openstack/tests/unit/block_storage/v3/test_volume.py b/openstack/tests/unit/block_storage/v3/test_volume.py
index 71b6d4916..f7acfe55b 100644
--- a/openstack/tests/unit/block_storage/v3/test_volume.py
+++ b/openstack/tests/unit/block_storage/v3/test_volume.py
@@ -35,6 +35,7 @@ VOLUME = {
     "availability_zone": "nova",
     "bootable": "false",
     "created_at": "2015-03-09T12:14:57.233772",
+    "updated_at": None,
     "description": "something",
     "volume_type": "some_type",
     "snapshot_id": "93c2e2aa-7744-4fd6-a31a-80c4726b08d7",
@@ -94,6 +95,7 @@ class TestVolume(base.TestCase):
         self.assertEqual(VOLUME["availability_zone"], sot.availability_zone)
         self.assertFalse(sot.is_bootable)
         self.assertEqual(VOLUME["created_at"], sot.created_at)
+        self.assertEqual(VOLUME["updated_at"], sot.updated_at)
         self.assertEqual(VOLUME["description"], sot.description)
         self.assertEqual(VOLUME["volume_type"], sot.volume_type)
         self.assertEqual(VOLUME["snapshot_id"], sot.snapshot_id)
diff --git a/releasenotes/notes/vol-updated_at-274c3a2bb94c8939.yaml b/releasenotes/notes/vol-updated_at-274c3a2bb94c8939.yaml
new file mode 100644
index 000000000..e23371458
--- /dev/null
+++ b/releasenotes/notes/vol-updated_at-274c3a2bb94c8939.yaml
@@ -0,0 +1,3 @@
+---
+features:
+  - Added support for the updated_at attribute for volume objects.