diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b5c92a0..0a3a1d9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,7 +21,7 @@ jobs:
 
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         submodules: recursive
 
@@ -72,6 +72,7 @@ jobs:
       if: matrix.target-hardware == 'esp8266'
       run: |
         git clone https://github.com/espressif/esptool.git
+        git -C ./esptool/ checkout tags/v4.6.2 -b merge_wirless_bin
         sudo python3 ./esptool/esptool.py --chip ${{ matrix.target-hardware }} merge_bin  -o build/wireless_esp_dap_full.bin 0x0 build/bootloader/bootloader.bin 0x8000 build/partition_table/partition-table.bin 0x10000 build/wireless_esp_dap.bin
         sudo mv build/wireless_esp_dap.bin build/wireless_esp_dap_app.bin
 
@@ -79,6 +80,7 @@ jobs:
       if: matrix.target-hardware == 'esp32'
       run: |
         git clone https://github.com/espressif/esptool.git
+        git -C ./esptool/ checkout tags/v4.6.2 -b merge_wirless_bin
         sudo python3 ./esptool/esptool.py --chip ${{ matrix.target-hardware }} merge_bin  -o build/wireless_esp_dap_full.bin 0x1000 build/bootloader/bootloader.bin 0x8000 build/partition_table/partition-table.bin 0x10000 build/wireless_esp_dap.bin
         sudo mv build/wireless_esp_dap.bin build/wireless_esp_dap_app.bin
 
@@ -86,6 +88,7 @@ jobs:
       if: matrix.target-hardware == 'esp32c3'
       run: |
         git clone https://github.com/espressif/esptool.git
+        git -C ./esptool/ checkout tags/v4.6.2 -b merge_wirless_bin
         sudo python3 ./esptool/esptool.py --chip ${{ matrix.target-hardware }} merge_bin  -o build/wireless_esp_dap_full.bin 0x0 build/bootloader/bootloader.bin 0x8000 build/partition_table/partition-table.bin 0x10000 build/wireless_esp_dap.bin
         sudo mv build/wireless_esp_dap.bin build/wireless_esp_dap_app.bin