diff --git a/openpilot/common/hardware/usb.py b/openpilot/common/hardware/usb.py
index e06e77b31..1ebcf571b 100644
--- a/openpilot/common/hardware/usb.py
+++ b/openpilot/common/hardware/usb.py
@@ -1,7 +1,7 @@
 import os
 from pathlib import Path
 
-CHESTNUT_FW_VERSION = "1d368808"
+CHESTNUT_FW_VERSION = "ed4e39b7"
 CHESTNUT_USB_IDS = ((0xADD1, 0x0001), (0x3801, 0x0001))
 CHESTNUT_ROM_USB_IDS = ((0x174C, 0x2464), (0x174C, 0x2463))
 USB_DEVICES_PATH = Path("/sys/bus/usb/devices")
diff --git a/openpilot/system/hardware/chestnut/firmware_wrapped.bin b/openpilot/system/hardware/chestnut/firmware_wrapped.bin
index a0911e06e..1d738e4a7 100644
Binary files a/openpilot/system/hardware/chestnut/firmware_wrapped.bin and b/openpilot/system/hardware/chestnut/firmware_wrapped.bin differ