diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..ca71264
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,46 @@
+name: Firmware build
+
+on:
+  push:
+  schedule:
+    - cron: '0 4 * * *'
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    env:
+      ZEPHYR_SDK_VERSION: 0.16.1
+      ZEPHYR_SDK_BASE: https://github.com/zephyrproject-rtos/sdk-ng/releases/download
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install Zephyr SDK
+        run: |
+          wget --progress=dot:giga ${ZEPHYR_SDK_BASE}/v${ZEPHYR_SDK_VERSION}/zephyr-sdk-${ZEPHYR_SDK_VERSION}_linux-x86_64_minimal.tar.xz
+          tar xvf zephyr-sdk-${ZEPHYR_SDK_VERSION}_linux-x86_64_minimal.tar.xz
+          cd zephyr-sdk-${ZEPHYR_SDK_VERSION}
+          ./setup.sh -t arm-zephyr-eabi -c
+
+      - name: Install dependencies
+        run: |
+          pip3 install west
+          sudo apt-get install ninja-build
+
+      - name: Initialize
+        run: |
+          west init -l firmware
+          west update -o=--depth=1 -n
+          pip3 install -r zephyr/scripts/requirements.txt
+
+      - name: Build
+        run: |
+          west build firmware -DCONFIG_MCUBOOT_SIGNATURE_KEY_FILE="\"bootloader/mcuboot/root-rsa-2048.pem\""