diff --git a/homeassistant/components/homewizard/manifest.json b/homeassistant/components/homewizard/manifest.json
index baec844cc26..fe5121d6c62 100644
--- a/homeassistant/components/homewizard/manifest.json
+++ b/homeassistant/components/homewizard/manifest.json
@@ -4,7 +4,7 @@
   "documentation": "https://www.home-assistant.io/integrations/homewizard",
   "codeowners": ["@DCSBL"],
   "dependencies": [],
-  "requirements": ["python-homewizard-energy==1.3.1"],
+  "requirements": ["python-homewizard-energy==1.4.0"],
   "zeroconf": ["_hwenergy._tcp.local."],
   "config_flow": true,
   "iot_class": "local_polling",
diff --git a/requirements_all.txt b/requirements_all.txt
index 9d0e8c4e37c..9a3421e8a05 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2023,7 +2023,7 @@ python-gc100==1.0.3a0
 python-gitlab==1.6.0
 
 # homeassistant.components.homewizard
-python-homewizard-energy==1.3.1
+python-homewizard-energy==1.4.0
 
 # homeassistant.components.hp_ilo
 python-hpilo==4.3
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 908cf95dcf7..2b1b32c1d69 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1422,7 +1422,7 @@ python-forecastio==1.4.0
 python-fullykiosk==0.0.12
 
 # homeassistant.components.homewizard
-python-homewizard-energy==1.3.1
+python-homewizard-energy==1.4.0
 
 # homeassistant.components.izone
 python-izone==1.2.9
diff --git a/tests/components/homewizard/test_diagnostics.py b/tests/components/homewizard/test_diagnostics.py
index ae703c58cfd..67c8d23fdaa 100644
--- a/tests/components/homewizard/test_diagnostics.py
+++ b/tests/components/homewizard/test_diagnostics.py
@@ -29,20 +29,48 @@ async def test_diagnostics(
             "data": {
                 "smr_version": 50,
                 "meter_model": "ISKRA  2M550T-101",
+                "unique_meter_id": None,
+                "active_tariff": None,
                 "wifi_ssid": REDACTED,
                 "wifi_strength": 100,
+                "total_power_import_kwh": None,
                 "total_power_import_t1_kwh": 1234.111,
                 "total_power_import_t2_kwh": 5678.222,
+                "total_power_import_t3_kwh": None,
+                "total_power_import_t4_kwh": None,
+                "total_power_export_kwh": None,
                 "total_power_export_t1_kwh": 4321.333,
                 "total_power_export_t2_kwh": 8765.444,
+                "total_power_export_t3_kwh": None,
+                "total_power_export_t4_kwh": None,
                 "active_power_w": -123,
                 "active_power_l1_w": -123,
                 "active_power_l2_w": 456,
                 "active_power_l3_w": 123.456,
+                "active_voltage_l1_v": None,
+                "active_voltage_l2_v": None,
+                "active_voltage_l3_v": None,
+                "active_current_l1_a": None,
+                "active_current_l2_a": None,
+                "active_current_l3_a": None,
+                "active_frequency_hz": None,
+                "voltage_sag_l1_count": None,
+                "voltage_sag_l2_count": None,
+                "voltage_sag_l3_count": None,
+                "voltage_swell_l1_count": None,
+                "voltage_swell_l2_count": None,
+                "voltage_swell_l3_count": None,
+                "any_power_fail_count": None,
+                "long_power_fail_count": None,
+                "active_power_average_w": None,
+                "montly_power_peak_timestamp": None,
+                "montly_power_peak_w": None,
                 "total_gas_m3": 1122.333,
                 "gas_timestamp": "2021-03-14T11:22:33",
+                "gas_unique_id": None,
                 "active_liter_lpm": 12.345,
                 "total_liter_m3": 1234.567,
+                "external_devices": None,
             },
             "state": {"power_on": True, "switch_lock": False, "brightness": 255},
             "system": {"cloud_enabled": True},