diff --git a/homeassistant/components/zwave_js/api.py b/homeassistant/components/zwave_js/api.py
index 6cd0ea4fe44..549f1b1b950 100644
--- a/homeassistant/components/zwave_js/api.py
+++ b/homeassistant/components/zwave_js/api.py
@@ -307,7 +307,7 @@ async def websocket_node_state(
     """Get the state data of a Z-Wave JS node."""
     connection.send_result(
         msg[ID],
-        node.data,
+        {**node.data, "values": [value.data for value in node.values.values()]},
     )
 
 
diff --git a/tests/components/zwave_js/common.py b/tests/components/zwave_js/common.py
index 2590149c462..e8e3151134c 100644
--- a/tests/components/zwave_js/common.py
+++ b/tests/components/zwave_js/common.py
@@ -33,3 +33,5 @@ ID_LOCK_CONFIG_PARAMETER_SENSOR = (
 ZEN_31_ENTITY = "light.kitchen_under_cabinet_lights"
 METER_ENERGY_SENSOR = "sensor.smart_switch_6_electric_consumed_kwh"
 METER_VOLTAGE_SENSOR = "sensor.smart_switch_6_electric_consumed_v"
+
+PROPERTY_ULTRAVIOLET = "Ultraviolet"
diff --git a/tests/components/zwave_js/test_api.py b/tests/components/zwave_js/test_api.py
index b3bb924413d..29c0ce4bba4 100644
--- a/tests/components/zwave_js/test_api.py
+++ b/tests/components/zwave_js/test_api.py
@@ -3,7 +3,7 @@ import json
 from unittest.mock import patch
 
 import pytest
-from zwave_js_server.const import InclusionStrategy, LogLevel
+from zwave_js_server.const import CommandClass, InclusionStrategy, LogLevel
 from zwave_js_server.event import Event
 from zwave_js_server.exceptions import (
     FailedCommand,
@@ -12,6 +12,7 @@ from zwave_js_server.exceptions import (
     NotFoundError,
     SetValueFailed,
 )
+from zwave_js_server.model.value import _get_value_id_from_dict, get_value_id
 
 from homeassistant.components.websocket_api.const import ERR_NOT_FOUND
 from homeassistant.components.zwave_js.api import (
@@ -39,6 +40,8 @@ from homeassistant.components.zwave_js.const import (
 )
 from homeassistant.helpers import device_registry as dr
 
+from .common import PROPERTY_ULTRAVIOLET
+
 
 async def test_network_status(hass, integration, hass_ws_client):
     """Test the network status websocket command."""
@@ -127,6 +130,28 @@ async def test_node_state(hass, multisensor_6, integration, hass_ws_client):
     ws_client = await hass_ws_client(hass)
 
     node = multisensor_6
+
+    # Update a value and ensure it is reflected in the node state
+    value_id = get_value_id(node, CommandClass.SENSOR_MULTILEVEL, PROPERTY_ULTRAVIOLET)
+    event = Event(
+        type="value updated",
+        data={
+            "source": "node",
+            "event": "value updated",
+            "nodeId": node.node_id,
+            "args": {
+                "commandClassName": "Multilevel Sensor",
+                "commandClass": 49,
+                "endpoint": 0,
+                "property": PROPERTY_ULTRAVIOLET,
+                "newValue": 1,
+                "prevValue": 0,
+                "propertyName": PROPERTY_ULTRAVIOLET,
+            },
+        },
+    )
+    node.receive_event(event)
+
     await ws_client.send_json(
         {
             ID: 3,
@@ -136,7 +161,17 @@ async def test_node_state(hass, multisensor_6, integration, hass_ws_client):
         }
     )
     msg = await ws_client.receive_json()
-    assert msg["result"] == node.data
+
+    # Assert that the data returned doesn't match the stale node state data
+    assert msg["result"] != node.data
+
+    # Replace data for the value we updated and assert the new node data is the same
+    # as what's returned
+    updated_node_data = node.data.copy()
+    for n, value in enumerate(updated_node_data["values"]):
+        if _get_value_id_from_dict(node, value) == value_id:
+            updated_node_data["values"][n] = node.values[value_id].data.copy()
+    assert msg["result"] == updated_node_data
 
     # Test getting non-existent node fails
     await ws_client.send_json(