diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9a7c571..0efe7a4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
 
 env:
   CACHE_VERSION: 1
-  DEFAULT_PYTHON: 3.8
+  DEFAULT_PYTHON: 3.8.16
   PRE_COMMIT_HOME: ~/.cache/pre-commit
 
 jobs:
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8.14', '3.9.15', '3.10.8', '3.11.0']
+        python-version: ['3.8.16', '3.9.15', '3.10.8', '3.11.0']
     steps:
       - name: Check out code from GitHub
         uses: actions/checkout@v2
@@ -271,7 +271,7 @@ jobs:
     needs: prepare-base
     strategy:
       matrix:
-        python-version: ['3.8.14', '3.9.15', '3.10.8', '3.11.0']
+        python-version: ['3.8.16', '3.9.15', '3.10.8', '3.11.0']
     name: >-
       Run tests Python ${{ matrix.python-version }}
     steps:
@@ -311,7 +311,7 @@ jobs:
           . venv/bin/activate
           pytest \
             -qq \
-            --timeout=9 \
+            --timeout=15 \
             --durations=10 \
             --cov zigpy_deconz \
             --cov-report=term-missing \
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5b16775..f5bdfe2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 22.3.0
+    rev: 23.1.0
     hooks:
       - id: black
         args:
@@ -8,7 +8,7 @@ repos:
           - --quiet
 
   - repo: https://github.com/pycqa/flake8
-    rev: 3.8.4
+    rev: 6.0.0
     hooks:
       - id: flake8
         additional_dependencies:
@@ -16,12 +16,12 @@ repos:
           - pydocstyle==5.1.1
 
   - repo: https://github.com/PyCQA/isort
-    rev: 5.10.1
+    rev: 5.12.0
     hooks:
       - id: isort
 
   - repo: https://github.com/codespell-project/codespell
-    rev: v1.17.1
+    rev: v2.2.4
     hooks:
       - id: codespell
         args:
diff --git a/setup.py b/setup.py
index 3856070..5363f17 100644
--- a/setup.py
+++ b/setup.py
@@ -21,6 +21,6 @@
     author_email="schmidt.d@aon.at",
     license="GPL-3.0",
     packages=find_packages(exclude=["tests"]),
-    install_requires=["zigpy>=0.52.1"],
+    install_requires=["zigpy>=0.54.0"],
     tests_require=["pytest", "asynctest"],
 )
diff --git a/tests/test_application.py b/tests/test_application.py
index e3c6267..c00a7ab 100644
--- a/tests/test_application.py
+++ b/tests/test_application.py
@@ -2,11 +2,13 @@
 
 import asyncio
 import logging
+from unittest import mock
 
 import pytest
+import zigpy.application
 import zigpy.config
 import zigpy.device
-from zigpy.types import EUI64
+from zigpy.types import EUI64, Channels
 import zigpy.zdo.types as zdo_t
 
 from zigpy_deconz import types as t
@@ -110,28 +112,32 @@ def addr_nwk_and_ieee(nwk, ieee):
     return addr
 
 
+@patch("zigpy_deconz.zigbee.application.CHANGE_NETWORK_WAIT", 0.001)
 @pytest.mark.parametrize(
-    "proto_ver, nwk_state, error",
+    "proto_ver, target_state, returned_state",
     [
-        (0x0107, deconz_api.NetworkState.CONNECTED, None),
-        (0x0106, deconz_api.NetworkState.CONNECTED, None),
-        (0x0107, deconz_api.NetworkState.OFFLINE, None),
-        (0x0107, deconz_api.NetworkState.OFFLINE, asyncio.TimeoutError()),
+        (0x0107, deconz_api.NetworkState.CONNECTED, deconz_api.NetworkState.CONNECTED),
+        (0x0106, deconz_api.NetworkState.CONNECTED, deconz_api.NetworkState.CONNECTED),
+        (0x0107, deconz_api.NetworkState.OFFLINE, deconz_api.NetworkState.CONNECTED),
+        (0x0107, deconz_api.NetworkState.CONNECTED, deconz_api.NetworkState.OFFLINE),
     ],
 )
-async def test_start_network(app, proto_ver, nwk_state, error):
+async def test_start_network(app, proto_ver, target_state, returned_state):
     app.load_network_info = AsyncMock()
     app.restore_neighbours = AsyncMock()
     app.add_endpoint = AsyncMock()
-    app._change_network_state = AsyncMock(side_effect=error)
 
     app._api.device_state = AsyncMock(
-        return_value=(deconz_api.DeviceState(nwk_state), 0, 0)
+        return_value=(deconz_api.DeviceState(returned_state), 0, 0)
     )
+
     app._api._proto_ver = proto_ver
     app._api.protocol_version = proto_ver
 
-    if nwk_state != deconz_api.NetworkState.CONNECTED and error is not None:
+    if (
+        target_state == deconz_api.NetworkState.CONNECTED
+        and returned_state != deconz_api.NetworkState.CONNECTED
+    ):
         with pytest.raises(zigpy.exceptions.FormationFailure):
             await app.start_network()
 
@@ -569,3 +575,16 @@ async def test_reset_network_info(app):
     await app.reset_network_info()
 
     app.form_network.assert_called_once()
+
+
+async def test_energy_scan(app):
+    with mock.patch.object(
+        zigpy.application.ControllerApplication,
+        "energy_scan",
+        return_value={c: c for c in Channels.ALL_CHANNELS},
+    ):
+        results = await app.energy_scan(
+            channels=Channels.ALL_CHANNELS, duration_exp=0, count=1
+        )
+
+    assert results == {c: c * 3 for c in Channels.ALL_CHANNELS}
diff --git a/zigpy_deconz/__init__.py b/zigpy_deconz/__init__.py
index ad39134..cea639a 100644
--- a/zigpy_deconz/__init__.py
+++ b/zigpy_deconz/__init__.py
@@ -2,7 +2,7 @@
 
 # coding: utf-8
 MAJOR_VERSION = 0
-MINOR_VERSION = 19
-PATCH_VERSION = "2"
+MINOR_VERSION = 20
+PATCH_VERSION = "0"
 __short_version__ = f"{MAJOR_VERSION}.{MINOR_VERSION}"
 __version__ = f"{__short_version__}.{PATCH_VERSION}"
diff --git a/zigpy_deconz/zigbee/application.py b/zigpy_deconz/zigbee/application.py
index 9379b35..e23d3a8 100644
--- a/zigpy_deconz/zigbee/application.py
+++ b/zigpy_deconz/zigbee/application.py
@@ -111,11 +111,7 @@ async def permit_with_key(self, node: t.EUI64, code: bytes, time_s=60):
     async def start_network(self):
         await self.register_endpoints()
         await self.load_network_info(load_devices=False)
-
-        try:
-            await self._change_network_state(NetworkState.CONNECTED)
-        except asyncio.TimeoutError as e:
-            raise FormationFailure() from e
+        await self._change_network_state(NetworkState.CONNECTED)
 
         coordinator = await DeconzDevice.new(
             self,
@@ -141,7 +137,19 @@ async def change_loop():
                 await asyncio.sleep(CHANGE_NETWORK_WAIT)
 
         await self._api.change_network_state(target_state)
-        await asyncio.wait_for(change_loop(), timeout=timeout)
+
+        try:
+            await asyncio.wait_for(change_loop(), timeout=timeout)
+        except asyncio.TimeoutError:
+            if target_state != NetworkState.CONNECTED:
+                raise
+
+            raise FormationFailure(
+                "Network formation refused: there is likely too much RF interference."
+                " Make sure your coordinator is on a USB 2.0 extension cable and"
+                " away from any sources of interference, like USB 3.0 ports, SSDs,"
+                " 2.4GHz routers, motherboards, etc."
+            )
 
         if self._api.protocol_version < PROTO_VER_WATCHDOG:
             return
@@ -332,6 +340,16 @@ async def force_remove(self, dev):
         """Forcibly remove device from NCP."""
         pass
 
+    async def energy_scan(
+        self, channels: t.Channels.ALL_CHANNELS, duration_exp: int, count: int
+    ) -> dict[int, float]:
+        results = await super().energy_scan(
+            channels=channels, duration_exp=duration_exp, count=count
+        )
+
+        # The Conbee seems to max out at an LQI of 85, which is exactly 255/3
+        return {c: v * 3 for c, v in results.items()}
+
     async def add_endpoint(self, descriptor: zdo_t.SimpleDescriptor) -> None:
         """Register an endpoint on the device, replacing any with conflicting IDs."""