diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index c9455e2..6b2ed29 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -25,6 +25,7 @@ jobs:
         run: |
            ./workflows/autobuild.sh pico
            ./build_pico_hsm.sh
+           ./workflows/autobuild.sh esp32
       - name: Update nightly release
         uses: pyTooling/Actions/releaser@main
         with:
diff --git a/workflows/autobuild.sh b/workflows/autobuild.sh
index 66c978f..4512db7 100755
--- a/workflows/autobuild.sh
+++ b/workflows/autobuild.sh
@@ -23,6 +23,7 @@ mkdir build_pico
 cd build_pico
 cmake -DPICO_SDK_PATH=../pico-sdk ..
 make
+cd ..
 elif [[ $1 == "esp32" ]]; then
 sudo apt install -y git wget flex bison gperf python3 python3-pip python3-venv cmake ninja-build ccache libffi-dev libssl-dev dfu-util libusb-1.0-0
 git clone --recursive https://github.com/espressif/esp-idf.git
@@ -32,6 +33,10 @@ cd esp-idf
 cd ..
 idf.py set-target esp32s3
 idf.py all
+mkdir -p release
+cd build
+esptool.py --chip ESP32 merge_bin -o ../release/esp32-s3.bin @flash_args
+cd ..
 else
 mkdir build
 cd build