diff --git a/homeassistant/components/niko_home_control/config_flow.py b/homeassistant/components/niko_home_control/config_flow.py
index f37e5e9248a3a..0cfcaf9ad8219 100644
--- a/homeassistant/components/niko_home_control/config_flow.py
+++ b/homeassistant/components/niko_home_control/config_flow.py
@@ -35,6 +35,25 @@ class NikoHomeControlConfigFlow(ConfigFlow, domain=DOMAIN):
 
     MINOR_VERSION = 2
 
+    async def async_step_reconfigure(
+        self, user_input: dict[str, Any] | None = None
+    ) -> ConfigFlowResult:
+        """Handle reconfiguration of the integration."""
+        errors: dict[str, str] = {}
+        if user_input is not None:
+            self._async_abort_entries_match({CONF_HOST: user_input[CONF_HOST]})
+            error = await test_connection(user_input[CONF_HOST])
+            if not error:
+                return self.async_update_reload_and_abort(
+                    self._get_reconfigure_entry(),
+                    data_updates=user_input,
+                )
+            errors["base"] = error
+
+        return self.async_show_form(
+            step_id="user", data_schema=DATA_SCHEMA, errors=errors
+        )
+
     async def async_step_user(
         self, user_input: dict[str, Any] | None = None
     ) -> ConfigFlowResult:
diff --git a/tests/components/niko_home_control/test_config_flow.py b/tests/components/niko_home_control/test_config_flow.py
index f911f4ebb1a1b..b1e40d1f5d40f 100644
--- a/tests/components/niko_home_control/test_config_flow.py
+++ b/tests/components/niko_home_control/test_config_flow.py
@@ -138,3 +138,83 @@ async def test_duplicate_import_entry(
 
     assert result["type"] is FlowResultType.ABORT
     assert result["reason"] == "already_configured"
+
+
+async def test_duplicate_reconfigure_entry(
+    hass: HomeAssistant, mock_setup_entry: AsyncMock, mock_config_entry: MockConfigEntry
+) -> None:
+    """Test uniqueness."""
+
+    mock_config_entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(mock_config_entry.entry_id)
+    await hass.async_block_till_done()
+    result = await mock_config_entry.start_reconfigure_flow(hass)
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], {CONF_HOST: "192.168.0.123"}
+    )
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "already_configured"
+
+
+async def test_reconfigure_setup(
+    hass: HomeAssistant, mock_setup_entry: AsyncMock, mock_config_entry: MockConfigEntry
+) -> None:
+    """Test the reconfigure flow."""
+    mock_config_entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(mock_config_entry.entry_id)
+    await hass.async_block_till_done()
+
+    result = await mock_config_entry.start_reconfigure_flow(hass)
+
+    assert result["type"] is FlowResultType.FORM
+    assert set(result["data_schema"].schema) == {CONF_HOST}
+
+
+async def test_reconfigure(
+    hass: HomeAssistant,
+    mock_niko_home_control_connection: AsyncMock,
+    mock_setup_entry: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test the reconfigure flow."""
+    mock_config_entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(mock_config_entry.entry_id)
+    await hass.async_block_till_done()
+
+    result = await mock_config_entry.start_reconfigure_flow(hass)
+
+    assert result["type"] is FlowResultType.FORM
+    assert set(result["data_schema"].schema) == {CONF_HOST}
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        {CONF_HOST: "192.168.0.122"},
+    )
+    await hass.async_block_till_done()
+    assert result["type"] is FlowResultType.CREATE_ENTRY
+
+
+async def test_reconfigure_cannot_connect(
+    hass: HomeAssistant,
+    mock_setup_entry: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test the cannot connect error."""
+    mock_config_entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(mock_config_entry.entry_id)
+    await hass.async_block_till_done()
+
+    result = await mock_config_entry.start_reconfigure_flow(hass)
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["errors"] == {}
+
+    with patch(
+        "homeassistant.components.niko_home_control.config_flow.NHCController.connect",
+        side_effect=Exception,
+    ):
+        result = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            {CONF_HOST: "192.168.0.122"},
+        )
+    assert result["errors"] == {"base": "cannot_connect"}