diff --git a/.github/workflows/build-linux_arm64.yml b/.github/workflows/build-linux_arm64.yml
index 8b13789..124f0e1 100644
--- a/.github/workflows/build-linux_arm64.yml
+++ b/.github/workflows/build-linux_arm64.yml
@@ -1 +1,80 @@
+name: build-mailadler-linux-arm64
 
+on:
+  workflow_dispatch:
+  push:
+    branches: [main, master]
+    paths:
+      - 'src/**'
+      - 'CMakeLists.txt'
+      - '.github/workflows/build-linux_arm64.yml'
+  pull_request:
+    branches: [main, master]
+
+env:
+  QT_VERSION: 6.6.3
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04-arm
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install Qt
+        uses: jurplel/install-qt-action@v4
+        with:
+          version: ${{ env.QT_VERSION }}
+          arch: linux_gcc_arm64
+          modules: 'qtwebsockets'
+          cache: true
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            build-essential \
+            cmake \
+            ninja-build \
+            libgl1-mesa-dev \
+            libxkbcommon-dev \
+            libxcb-xinerama0-dev \
+            libxcb-cursor0 \
+            libsqlite3-dev \
+            libssl-dev
+
+      - name: Configure
+        run: |
+          cmake -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_INSTALL_PREFIX=/usr \
+            -DEXTERNAL_LAUNCHERS=OFF
+
+      - name: Build
+        run: cmake --build build --parallel
+
+      - name: Prepare version
+        run: |
+          VERSION=$(date +"%y.%-m.%-d")
+          echo "VERSION=$VERSION" >> $GITHUB_ENV
+
+      - name: Package
+        run: |
+          cd build
+          DESTDIR=../mailadler-arm64 cmake --install .
+          cd ..
+          tar -cJf mailadler-linux-arm64-${{ env.VERSION }}.txz mailadler-arm64
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: mailadler-linux-arm64
+          path: mailadler-linux-arm64-*.txz
+
+      - name: Upload to release (on tag)
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: softprops/action-gh-release@v1
+        with:
+          files: mailadler-linux-arm64-*.txz