diff --git a/.github/workflows/publish-linux-docker-image.yml b/.github/workflows/publish-linux-docker-image.yml
index f1e5657..820f9d4 100644
--- a/.github/workflows/publish-linux-docker-image.yml
+++ b/.github/workflows/publish-linux-docker-image.yml
@@ -18,7 +18,12 @@ concurrency:
 
 jobs:
   docker-build:
-    runs-on: ubuntu-24.04
+    runs-on: ${{ matrix.platform }}
+    strategy:
+      matrix:
+        platform: [ ubuntu-24.04, ubuntu-24.04-arm ]
+      fail-fast: false
+
     permissions:
       contents: read
       packages: write
@@ -32,17 +37,27 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Compute image tag, and cache scope
+      - name: Compute image tag, platform, and cache scope
         id: meta
         shell: bash
         run: |
-          echo "tag=ghcr.io/${{ github.repository_owner }}/ml-sdk-linux-amd64:latest" >> $GITHUB_ENV
-
-          # cache scope (for gha cache)
-          echo "cache_scope=ml-sdk-linux-amd64" >> $GITHUB_ENV
-
+          arch=$(uname -m)
+          case "$arch" in
+            x86_64) arch_tag="amd64"; plat="linux/amd64" ;;
+            aarch64) arch_tag="arm64"; plat="linux/arm64" ;;
+            *) echo "Error: unsupported architecture '$arch'" >&2; exit 1 ;;
+          esac
+          echo "Architecture detected: $arch"
+          echo "arch_tag=$arch_tag" >> $GITHUB_ENV
+          echo "platform=$plat" >> $GITHUB_ENV
+          
+          echo "tag=ghcr.io/${{ github.repository_owner }}/ml-sdk-linux-${arch_tag}:latest" >> $GITHUB_ENV
+          
+          # per-arch cache scope (for gha cache)
+          echo "cache_scope=ml-sdk-linux-${arch_tag}" >> $GITHUB_ENV
+          
           # separate registry cache tag (DO NOT use the image tag here)
-          echo "cache_ref=ghcr.io/${{ github.repository_owner }}/ml-sdk-linux-amd64:buildcache" >> $GITHUB_ENV
+          echo "cache_ref=ghcr.io/${{ github.repository_owner }}/ml-sdk-linux-${arch_tag}:buildcache" >> $GITHUB_ENV
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -55,6 +70,7 @@ jobs:
           file: docker/Dockerfile
           tags: ${{ env.tag }}
           push: true
+          platforms: ${{ env.platform }}
 
           # 1) Share GHA cache across runs with a stable per-arch scope
           # 2) Also store cache in GHCR under a dedicated cache tag