diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2b397e0..9fd87a8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,13 +21,25 @@ jobs:
       uses: espressif/esp-idf-ci-action@v1
       with:
         esp_idf_version: v5.1
-        target: esp32s2
+        target: esp32s3
         command: GITHUB_ACTIONS="true" idf.py build
         path: '.'
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.9'
+        cache: 'pip' # caching pip dependencies
+    - run: pip install esptool
+    - name: "Create factory/merged image"
+      run: "./merge_bin.sh ./esp-miner-merged.bin"
+    - name: upload esp-miner-merged.bin
+      uses: actions/upload-artifact@v3
+      with:
+        name: esp-miner-factory.bin
+        path: ./esp-miner-merged.bin
     - name: upload esp-miner.bin
       uses: actions/upload-artifact@v3
       with:
-        name: esp-miner.bin
+        name: esp-miner-ota.bin
         path: ./build/esp-miner.bin
     - name: upload www.bin
       uses: actions/upload-artifact@v3