diff --git a/homeassistant/components/insteon/manifest.json b/homeassistant/components/insteon/manifest.json
index cc8495384b1..ad3fb7bfbe8 100644
--- a/homeassistant/components/insteon/manifest.json
+++ b/homeassistant/components/insteon/manifest.json
@@ -17,7 +17,7 @@
   "iot_class": "local_push",
   "loggers": ["pyinsteon", "pypubsub"],
   "requirements": [
-    "pyinsteon==1.4.2",
+    "pyinsteon==1.4.3",
     "insteon-frontend-home-assistant==0.3.5"
   ],
   "usb": [
diff --git a/requirements_all.txt b/requirements_all.txt
index b3676bbb88a..4deee264855 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1724,7 +1724,7 @@ pyialarm==2.2.0
 pyicloud==1.0.0
 
 # homeassistant.components.insteon
-pyinsteon==1.4.2
+pyinsteon==1.4.3
 
 # homeassistant.components.intesishome
 pyintesishome==1.8.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index e146450b7d9..4b75eaf815d 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1270,7 +1270,7 @@ pyialarm==2.2.0
 pyicloud==1.0.0
 
 # homeassistant.components.insteon
-pyinsteon==1.4.2
+pyinsteon==1.4.3
 
 # homeassistant.components.ipma
 pyipma==3.0.6
diff --git a/tests/components/insteon/mock_devices.py b/tests/components/insteon/mock_devices.py
index dd0ab0b56a0..dea9fb4e34f 100644
--- a/tests/components/insteon/mock_devices.py
+++ b/tests/components/insteon/mock_devices.py
@@ -151,11 +151,11 @@ class MockDevices:
             for flag in operating_flags:
                 value = operating_flags[flag]
                 if device.operating_flags.get(flag):
-                    device.operating_flags[flag].load(value)
+                    device.operating_flags[flag].set_value(value)
             for flag in properties:
                 value = properties[flag]
                 if device.properties.get(flag):
-                    device.properties[flag].load(value)
+                    device.properties[flag].set_value(value)
 
     async def async_add_device(self, address=None, multiple=False):
         """Mock the async_add_device method."""
diff --git a/tests/components/insteon/test_api_properties.py b/tests/components/insteon/test_api_properties.py
index a667e2144d0..850ccc85411 100644
--- a/tests/components/insteon/test_api_properties.py
+++ b/tests/components/insteon/test_api_properties.py
@@ -119,7 +119,7 @@ async def test_get_read_only_properties(
     mock_read_only = ExtendedProperty(
         "44.44.44", "mock_read_only", bool, is_read_only=True
     )
-    mock_read_only.load(False)
+    mock_read_only.set_value(False)
 
     ws_client, devices = await _setup(
         hass, hass_ws_client, "44.44.44", iolinc_properties_data
@@ -368,7 +368,7 @@ async def test_change_float_property(
     )
     device = devices["44.44.44"]
     delay_prop = device.configuration[MOMENTARY_DELAY]
-    delay_prop.load(0)
+    delay_prop.set_value(0)
     with patch.object(insteon.api.properties, "devices", devices):
         await ws_client.send_json(
             {