diff --git a/.github/workflows/speculos-builder.yml b/.github/workflows/speculos-builder.yml
index 947a2ec1..b373adbc 100644
--- a/.github/workflows/speculos-builder.yml
+++ b/.github/workflows/speculos-builder.yml
@@ -23,7 +23,11 @@ jobs:
     name: Build and push speculos-builder image
     strategy:
       matrix:
-        label: [ubuntu-latest, speculos-builder-2c-arm64-ubuntu_2404]
+        include:
+          - label: ubuntu-latest
+            platform: linux/amd64
+          - label: speculos-builder-2c-arm64-ubuntu_2404
+            platform: linux/arm64
     runs-on: ${{ matrix.label }}
     permissions:
       packages: write
@@ -48,6 +52,7 @@ jobs:
     - name: Build and push speculos-builder to GitHub Packages
       uses: docker/build-push-action@v6
       with:
+        platforms: ${{ matrix.platform }}
         push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
         file: build.Dockerfile
         tags: ghcr.io/ledgerhq/speculos-builder:latest