diff --git a/homeassistant/components/v2c/manifest.json b/homeassistant/components/v2c/manifest.json
index ffe4b52ee6e..3a6eab0f335 100644
--- a/homeassistant/components/v2c/manifest.json
+++ b/homeassistant/components/v2c/manifest.json
@@ -5,5 +5,5 @@
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/v2c",
   "iot_class": "local_polling",
-  "requirements": ["pytrydan==0.7.0"]
+  "requirements": ["pytrydan==0.8.0"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index bc1a13f19ab..6ba6601597d 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2378,7 +2378,7 @@ pytradfri[async]==9.0.1
 pytrafikverket==1.0.0
 
 # homeassistant.components.v2c
-pytrydan==0.7.0
+pytrydan==0.8.0
 
 # homeassistant.components.usb
 pyudev==0.24.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 22de281aa61..da3ac4cd662 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1881,7 +1881,7 @@ pytradfri[async]==9.0.1
 pytrafikverket==1.0.0
 
 # homeassistant.components.v2c
-pytrydan==0.7.0
+pytrydan==0.8.0
 
 # homeassistant.components.usb
 pyudev==0.24.1
diff --git a/tests/components/v2c/snapshots/test_diagnostics.ambr b/tests/components/v2c/snapshots/test_diagnostics.ambr
index a4f6cad4cc8..cc34cae87f8 100644
--- a/tests/components/v2c/snapshots/test_diagnostics.ambr
+++ b/tests/components/v2c/snapshots/test_diagnostics.ambr
@@ -18,7 +18,7 @@
       'unique_id': 'ABC123',
       'version': 1,
     }),
-    'data': "TrydanData(ID='ABC123', charge_state=<ChargeState.CONNECTED_CHARGING: 2>, ready_state=<ReadyState.NOT_READY: 0>, charge_power=1500.27, charge_energy=1.8, slave_error=<SlaveCommunicationState.WAITING_WIFI: 4>, charge_time=4355, house_power=0.0, fv_power=0.0, battery_power=0.0, paused=<PauseState.NOT_PAUSED: 0>, locked=<LockState.DISABLED: 0>, timer=<ChargePointTimerState.TIMER_OFF: 0>, intensity=6, dynamic=<DynamicState.DISABLED: 0>, min_intensity=6, max_intensity=16, pause_dynamic=<PauseDynamicState.MODULATING: 0>, dynamic_power_mode=<DynamicPowerMode.TIMED_POWER_DISABLED_AND_EXCLUSIVE_MODE_SETTED: 2>, contracted_power=4600, firmware_version='2.1.7')",
+    'data': "TrydanData(ID='ABC123', charge_state=<ChargeState.CONNECTED_CHARGING: 2>, ready_state=<ReadyState.NOT_READY: 0>, charge_power=1500.27, voltage_installation=None, charge_energy=1.8, slave_error=<SlaveCommunicationState.WAITING_WIFI: 4>, charge_time=4355, house_power=0.0, fv_power=0.0, battery_power=0.0, paused=<PauseState.NOT_PAUSED: 0>, locked=<LockState.DISABLED: 0>, timer=<ChargePointTimerState.TIMER_OFF: 0>, intensity=6, dynamic=<DynamicState.DISABLED: 0>, min_intensity=6, max_intensity=16, pause_dynamic=<PauseDynamicState.MODULATING: 0>, dynamic_power_mode=<DynamicPowerMode.TIMED_POWER_DISABLED_AND_EXCLUSIVE_MODE_SETTED: 2>, contracted_power=4600, firmware_version='2.1.7', SSID=None, IP=None, signal_status=None)",
     'host_status': 200,
     'raw_data': '{"ID":"ABC123","ChargeState":2,"ReadyState":0,"ChargePower":1500.27,"ChargeEnergy":1.8,"SlaveError":4,"ChargeTime":4355,"HousePower":0.0,"FVPower":0.0,"BatteryPower":0.0,"Paused":0,"Locked":0,"Timer":0,"Intensity":6,"Dynamic":0,"MinIntensity":6,"MaxIntensity":16,"PauseDynamic":0,"FirmwareVersion":"2.1.7","DynamicPowerMode":2,"ContractedPower":4600}',
   })