diff --git a/scripts/flash_micropython.sh b/scripts/flash_micropython.sh
index 8d39f57..c7951ad 100755
--- a/scripts/flash_micropython.sh
+++ b/scripts/flash_micropython.sh
@@ -12,8 +12,7 @@
 # BAUDRATE=115200
 BAUDRATE=460800
 
-# ESP32_MICROPYTHON=firmware/esp32-idf4-20200902-v1.13.bin
-ESP32_MICROPYTHON=firmware/esp32-20210623-v1.16.bin
+ESP32_MICROPYTHON=firmware/esp32-20210902-v1.17.bin
 
 echo '### Erase flash ###'
 esptool.py --chip esp32 --port $AMPY_PORT erase_flash