diff --git a/pyproject.toml b/pyproject.toml
index ee0ac9e2..faf76fcc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ readme = "README.md"
 license = {text = "GPL-3.0"}
 requires-python = ">=3.8"
 dependencies = [
-    "zigpy>=0.60.2",
+    "zigpy>=0.69.0",
     "async_timeout",
     "voluptuous",
     "coloredlogs",
diff --git a/tests/conftest.py b/tests/conftest.py
index 1a2f730f..274478af 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -129,13 +129,16 @@ def __repr__(self):
         return f"<{type(self).__name__} to {self.protocol}>"
 
 
-def config_for_port_path(path):
-    return conf.CONFIG_SCHEMA(
-        {
-            conf.CONF_DEVICE: {conf.CONF_DEVICE_PATH: path},
-            zigpy.config.CONF_NWK_BACKUP_ENABLED: False,
-        }
-    )
+def config_for_port_path(path, apply_schema: bool = True):
+    config = {
+        conf.CONF_DEVICE: {conf.CONF_DEVICE_PATH: path},
+        zigpy.config.CONF_NWK_BACKUP_ENABLED: False,
+    }
+
+    if apply_schema:
+        return conf.CONFIG_SCHEMA(config)
+
+    return config
 
 
 @pytest.fixture
@@ -272,10 +275,14 @@ def inner(
         server_config=None,
         **kwargs,
     ):
-        default = config_for_port_path(FAKE_SERIAL_PORT)
-
-        client_config = merge_dicts(default, client_config or {})
-        server_config = merge_dicts(default, server_config or {})
+        client_config = merge_dicts(
+            config_for_port_path(FAKE_SERIAL_PORT, apply_schema=False),
+            client_config or {},
+        )
+        server_config = merge_dicts(
+            config_for_port_path(FAKE_SERIAL_PORT),
+            server_config or {},
+        )
 
         app = ControllerApplication(client_config)
 
diff --git a/tests/tools/test_network_backup_restore.py b/tests/tools/test_network_backup_restore.py
index 646265dd..380759a8 100644
--- a/tests/tools/test_network_backup_restore.py
+++ b/tests/tools/test_network_backup_restore.py
@@ -1,4 +1,5 @@
 import json
+import asyncio
 import dataclasses
 
 import pytest
@@ -293,6 +294,7 @@ async def test_nwk_frame_counter_zstack30(make_connected_znp):
 
     await security.write_nwk_frame_counter(znp, 0xAABBCCDD)
     assert (await security.read_nwk_frame_counter(znp)) == 0xAABBCCDD
+    await asyncio.sleep(0.1)
 
 
 async def test_nwk_frame_counter_zstack33(make_connected_znp):
@@ -333,6 +335,7 @@ async def test_nwk_frame_counter_zstack33(make_connected_znp):
 
     await security.write_nwk_frame_counter(znp, 0x98765432)
     assert (await security.read_nwk_frame_counter(znp)) == 0x98765432
+    await asyncio.sleep(0.1)
 
 
 def ieee_and_key(text) -> zigpy.state.Key:
diff --git a/zigpy_znp/tools/energy_scan.py b/zigpy_znp/tools/energy_scan.py
index 3eb0fb85..64385e21 100644
--- a/zigpy_znp/tools/energy_scan.py
+++ b/zigpy_znp/tools/energy_scan.py
@@ -17,7 +17,7 @@
 async def perform_energy_scan(radio_path, num_scans=None):
     LOGGER.info("Starting up zigpy-znp")
 
-    config = ControllerApplication.SCHEMA({"device": {"path": radio_path}})
+    config = {"device": {"path": radio_path}}
     app = ControllerApplication(config)
     await app.connect()
 
diff --git a/zigpy_znp/zigbee/application.py b/zigpy_znp/zigbee/application.py
index 75103754..b0c263ed 100644
--- a/zigpy_znp/zigbee/application.py
+++ b/zigpy_znp/zigbee/application.py
@@ -931,7 +931,7 @@ async def send_packet(self, packet: zigpy.types.ZigbeePacket) -> None:
         # Don't release the concurrency-limiting semaphore until we are done trying.
         # There is no point in allowing requests to take turns getting buffer errors.
         try:
-            async with self._limit_concurrency():
+            async with self._limit_concurrency(priority=packet.priority):
                 for attempt in range(REQUEST_MAX_RETRIES):
                     try:
                         # ZDO requests do not generate `AF.DataConfirm` messages
diff --git a/zigpy_znp/zigbee/device.py b/zigpy_znp/zigbee/device.py
index f6c7a4c6..401baacc 100644
--- a/zigpy_znp/zigbee/device.py
+++ b/zigpy_znp/zigbee/device.py
@@ -3,6 +3,7 @@
 import logging
 
 import zigpy.zdo
+import zigpy.types
 import zigpy.device
 import zigpy.application
 
@@ -22,7 +23,7 @@ def manufacturer(self):
     def model(self):
         return "Coordinator"
 
-    def request(
+    async def request(
         self,
         profile,
         cluster,
@@ -31,22 +32,25 @@ def request(
         sequence,
         data,
         expect_reply=True,
-        # Extend the default timeout
         timeout=2 * zigpy.device.APS_REPLY_TIMEOUT,
         use_ieee=False,
+        ask_for_ack: bool | None = None,
+        priority: int = zigpy.types.PacketPriority.NORMAL,
     ):
         """
         Normal `zigpy.device.Device:request` except its default timeout is longer.
         """
 
-        return super().request(
-            profile,
-            cluster,
-            src_ep,
-            dst_ep,
-            sequence,
-            data,
+        return await super().request(
+            profile=profile,
+            cluster=cluster,
+            src_ep=src_ep,
+            dst_ep=dst_ep,
+            sequence=sequence,
+            data=data,
             expect_reply=expect_reply,
             timeout=timeout,
             use_ieee=use_ieee,
+            ask_for_ack=ask_for_ack,
+            priority=priority,
         )