diff --git a/homeassistant/components/homewizard/manifest.json b/homeassistant/components/homewizard/manifest.json
index 8ef33982f61..28ab3bc17e4 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==1.6.1"],
+  "requirements": ["python-homewizard-energy==1.7.0"],
   "zeroconf": ["_hwenergy._tcp.local."],
   "config_flow": true,
   "quality_scale": "platinum",
diff --git a/requirements_all.txt b/requirements_all.txt
index f2d03af7811..38ef3dc86c3 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2045,7 +2045,7 @@ python-gc100==1.0.3a0
 python-gitlab==1.6.0
 
 # homeassistant.components.homewizard
-python-homewizard-energy==1.6.1
+python-homewizard-energy==1.7.0
 
 # homeassistant.components.hp_ilo
 python-hpilo==4.3
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 9ca0555b5d4..ba0fdb1fe78 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1450,7 +1450,7 @@ python-forecastio==1.4.0
 python-fullykiosk==0.0.12
 
 # homeassistant.components.homewizard
-python-homewizard-energy==1.6.1
+python-homewizard-energy==1.7.0
 
 # 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 a7c5c1e41d5..b0885886ec0 100644
--- a/tests/components/homewizard/test_diagnostics.py
+++ b/tests/components/homewizard/test_diagnostics.py
@@ -70,7 +70,7 @@ async def test_diagnostics(
                 "gas_unique_id": REDACTED,
                 "active_liter_lpm": 12.345,
                 "total_liter_m3": 1234.567,
-                "external_devices": [],
+                "external_devices": None,
             },
             "state": {"power_on": True, "switch_lock": False, "brightness": 255},
             "system": {"cloud_enabled": True},