diff --git a/.github/workflows/platformio_build.yml b/.github/workflows/platformio_build.yml
index 88b7486..698f588 100644
--- a/.github/workflows/platformio_build.yml
+++ b/.github/workflows/platformio_build.yml
@@ -19,11 +19,14 @@ jobs:
           python-version: '3.11'
       - name: Install PlatformIO Core
         run: pip install --upgrade platformio
-
+      - name: Install ESPtool
+        run: pip install esptool
       - name: Build PlatformIO Project
         run: pio run
+      - name: Combine into single file
+        run: esptool.py --chip esp32c3 merge_bin -o fw.bin --flash_size 4MB 0x1000 .pio/build/mini_c3/bootloader.bin 0x8000 .pio/build/mini_c3/partitions.bin 0x10000 .pio/build/mini_c3/firmware.bin
       - name: Upload esp32c3
         uses: actions/upload-artifact@v4
         with:
-          path: .pio/build/mini_c3/firmware.bin
-          name: firmware-esp32c3.bin
+          path: ./fw.bin
+          name: esp32c3-4mb
diff --git a/README.md b/README.md
index a083919..c76f3e2 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ At first, I'd recommend soldering all the components together.
 
 ## Flashing instructions
 
-1. Download the latest build [here](https://nightly.link/mawoka-myblock/td-free/workflows/platformio_build/main/firmware-esp32c3.bin.zip).
+1. Download the latest build [here](https://nightly.link/mawoka-myblock/td-free/workflows/platformio_build/main/esp32c3-4mb.zip).
    They are directly built by GitHub.
 2. Extract the downloaded zip file.
 3. Install esp-tool.