diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 3b335f3..37b1b22 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -25,6 +25,7 @@ jobs:
 
     - name: Make merged .bin
       run: >
+        python3 "$HOME/.arduino15/packages/esp32/tools/esptool_py/4.5.1/esptool.py" image_info --version 2 "$HOME/work/bbn-wave-period-esp32/bbn-wave-period-esp32/bbn_wave_freq_m5atomS3/build/bbn_wave_freq_m5atomS3.ino.bin"
         python3 "$HOME/.arduino15/packages/esp32/tools/esptool_py/4.5.1/esptool.py" 
         --chip esp32s3 merge_bin -o $HOME/work/bbn-wave-period-esp32/bbn-wave-period-esp32/bbn_wave_freq_m5atomS3/build/bbn_wave_freq_m5atomS3_firmware.bin 
         --flash_mode dio --flash_freq 80m --flash_size 4MB